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Religion and mythology · 36 min read

Noah's Ark: The Story, Its History, and the Search for the Ark

Few stories are as widely known as Noah's Ark. A righteous man is warned that a flood is coming. He builds a huge wooden vessel, fills it with his family and…

Few stories are as widely known as Noah's Ark. A righteous man is warned that a flood is coming. He builds a huge wooden vessel, fills it with his family and with animals, and rides out a deluge that covers the world. When the waters go down, the boat comes to rest on a mountain, a dove returns with an olive leaf, and God sets a rainbow in the sky as a promise never to flood the earth again.

The story is scripture for Jews, Christians and Muslims. It is also one of the oldest stories people ever wrote down, because a very similar tale was being copied onto clay tablets in Mesopotamia long before the Book of Genesis took its final form. Over the centuries the ark has been a symbol of salvation, a puzzle for naturalists, a point of dispute between scientists and creationists, the goal of mountain expeditions, a full-size attraction in Kentucky, and a metaphor for modern efforts to save seeds, species and knowledge from disaster.

This article sets out what the text says, how it compares with older flood stories, how the three Abrahamic faiths read it, what scholars think about its authorship, what mainstream geology says about a worldwide flood and how young-earth creationists reply, and why claimed discoveries of the ark have not held up. The aim is to be respectful to people of faith and accurate about the evidence. Many believers read the story as true in its meaning without reading it as an engineering record; others hold to a literal reading and engage the scientific arguments directly. Both deserve a fair hearing.

The story as told in Genesis

The flood narrative fills chapters 6 to 9 of Genesis, in the "primeval history" (chapters 1 to 11) that runs from creation to the Tower of Babel. It begins about ten generations after Adam.

Why the flood comes

In the King James Version, "God saw that the wickedness of man was great in the earth" (Genesis 6:5). The earth is described as corrupt and full of violence, and God resolves to destroy what he has made. One man is the exception: "But Noah found grace in the eyes of the Lord" (6:8). "Noah was a just man and perfect in his generations, and Noah walked with God" (6:9). He has three sons, Shem, Ham and Japheth.

The instructions

God tells Noah to build a vessel. The Hebrew word, tevah, means something like a chest or box, and it appears in only one other place in the Bible: the basket in which the infant Moses is set afloat. In both stories a fragile container carries the future across dangerous water.

The instructions are brief: "Make thee an ark of gopher wood; rooms shalt thou make in the ark, and shalt pitch it within and without with pitch" (6:14). "The length of the ark shall be three hundred cubits, the breadth of it fifty cubits," and the height thirty cubits (6:15). "A window shalt thou make to the ark, and in a cubit shalt thou finish it above," with a door in the side and three stories, or decks (6:16).

Two by two, and by sevens

Noah is told to bring "two of every sort" of living thing, male and female, "to keep them alive with thee" (6:19), and to gather "of all food that is eaten" for his household and the animals (6:21).

In the next chapter the instruction is different: "Of every clean beast thou shalt take to thee by sevens, the male and his female" (7:2), while unclean animals come in pairs. Birds too go "by sevens, the male and the female; to keep seed alive upon the face of all the earth" (7:3). Readers differ over whether "by sevens" means seven animals or seven pairs. So the text contains both the famous "two by two" and a larger number for clean animals and birds. The larger number matters later, when Noah sacrifices clean animals; with only one pair, a sacrifice would have ended a species.

The people aboard number eight: Noah, his wife, his three sons and their wives (7:13). The New Testament repeats the figure: in 1 Peter, "eight souls were saved by water."

The flood and its timeline

God gives seven days' warning: "For yet seven days, and I will cause it to rain upon the earth forty days and forty nights" (7:4). The flood begins "in the six hundredth year of Noah's life, in the second month, the seventeenth day of the month" (7:11), when the "fountains of the great deep" break open and the "windows of heaven" are opened. "And the rain was upon the earth forty days and forty nights" (7:12). The water rises until "fifteen cubits upward did the waters prevail; and the mountains were covered" (7:20). Then a second figure: "the waters prevailed upon the earth an hundred and fifty days" (7:24).

The waters begin to fall, "and the ark rested in the seventh month, on the seventeenth day of the month, upon the mountains of Ararat" (8:4). The text names a mountain region, not one peak.

The birds, the altar and the rainbow

Noah first sends out a raven, "which went forth to and fro, until the waters were dried up from off the earth" (8:7). Then a dove, which finds nowhere to land and returns. A week later the dove comes back "in the evening; and, lo, in her mouth was an olive leaf pluckt off" (8:11). The third time, it does not return.

The ground is dry on the twenty-seventh day of the second month of Noah's 601st year, a little over a year after the flood began. Noah builds an altar, "the Lord smelled a sweet savour," and God resolves never again to curse the ground (8:21): "While the earth remaineth, seedtime and harvest, and cold and heat, and summer and winter," and day and night, shall not cease (8:22). God makes a covenant with Noah and every living creature, permits people to eat animals (though not their blood), and gives a sign: "I do set my bow in the cloud, and it shall be for a token of a covenant between me and the earth" (9:13).

The story ends on an uncomfortable note. Noah plants a vineyard, gets drunk and lies uncovered in his tent. Ham sees him; Shem and Japheth cover him without looking. Noah then curses Ham's son Canaan (9:20 to 25). "And all the days of Noah were nine hundred and fifty years: and he died" (9:29).

How the ark was made

Gopher wood

"Gopher wood" (Hebrew goper) appears nowhere else in the Bible or in Hebrew generally, so its meaning is uncertain. Ancient translators already struggled with it.

VersionRendering of "gopher wood"
Greek Septuagint"squared timber"
Latin Vulgatesmoothed or planed timber
Aramaic Targum Onkeloscedar
Syriac Peshittabox or boxwood
King James Versionleft as "gopher"
Many modern English translationscypress

Other proposals include reeds, a lost tree species, a borrowing from Akkadian gupru, or a copying slip: the Hebrew letters gimel and kaf look alike, so the original may have been kopher, pitch, giving "pitched wood." There is no scholarly consensus.

Pitch, rooms, decks and door

The sealant, koper, most likely means bitumen, the natural asphalt of Mesopotamia, close to the Akkadian kupru. Bitumen-coated boats were common on the Tigris and Euphrates. The ark has "rooms," three decks, a side door and an opening finished a cubit from the top. The text mentions no keel, rudder, sail or oars. The ark is not steered; it only has to float.

Scholars have noticed symbolic patterns in the numbers. Each deck is as tall as the Jerusalem Temple and has three times the area of the tabernacle courtyard, and some see an interest in multiples of 60, a number also prominent in the Babylonian hero's vessel. The early Christian scholar Origen pictured the ark as a square pyramid on a raft; the familiar hull topped by a sloping-roofed house goes back to the medieval theologian Hugh of Saint Victor.

Converting cubits correctly

A cubit is the length of a forearm, elbow to fingertip, and it varied. Typical cubits ranged from about 44.4 to 52.9 cm; surviving Egyptian royal cubit rods measure 523.5 to 529.2 mm (about 20.6 inches). Jewish authorities have proposed 48 cm (Rabbi Avraham Chaim Naeh) and 57.6 cm (the Chazon Ish).

Cubit usedLengthWidthHeight
about 44.5 cm, as in Wikipedia's figureabout 134 m (440 ft)about 22 m (72 ft)about 13 m (43 ft)
18 inches (45.7 cm)450 ft (137 m)75 ft (23 m)45 ft (14 m)
20.1 inches (51 cm), used by the Ark Encounter510 ft (155 m)85 ft (26 m)51 ft (16 m)

Whatever the cubit, each deck covers 15,000 square cubits, or about 33,750 square feet with an 18-inch cubit, and the three decks together about 101,000 square feet.

What a wooden ship that size implies

The ark would be enormous for a wooden vessel. The schooner Wyoming, launched in Bath, Maine, on 15 December 1909, is described as "the largest known wooden ship ever built," at 450 feet (140 m) overall. Her long wooden hull flexed in heavy seas, twisting the planks so that seawater leaked in and pumps had to run constantly. On 11 March 1924 she foundered in a storm near Cape Cod with the loss of all hands.

Mark Isaak, in a widely cited critique, argues on this basis that wood cannot hold a 450-foot hull together in rough water. Defenders of a literal reading answer that the ark was not a sailing ship, did not need to be driven through waves, and was built to a divine design. That reply is theological rather than an engineering demonstration, and readers can weigh it as such.

What was stored on the ark

Genesis names three kinds of cargo: animals (pairs, plus sevens of clean animals and birds), eight people, and "all food that is eaten" (6:21). Sea creatures are not mentioned, and the text speaks of "kinds," not species in the modern sense. It says nothing about water, light, waste or ventilation, so later readers filled the gaps.

How many animals?

In the fifteenth century Alfonso Tostado worked out logistics such as dung disposal and ventilation. In the sixteenth, Johannes Buteo calculated interior space down to grinding mills and smokeless ovens. Athanasius Kircher concluded there was room for every known species, and the first Encyclopaedia Britannica (1771) treated the ark as factual, suggesting fewer than 100 kinds of quadruped were needed. As explorers reported ever more animals, the task looked harder. In 1646 Thomas Browne asked why America had rattlesnakes but no horses, calling it "very strange." By the mid-eighteenth century few naturalists accepted a literal ark carrying every species.

Young-earth creationists have revived the calculation with a broader idea of "kind." John Woodmorappe's Noah's Ark: A Feasibility Study (Institute for Creation Research, 1996) treated a kind as roughly a genus and arrived at nearly 16,000 land animals, then argued that eight people could house, feed and clean up after them. Critics at the TalkOrigins Archive replied that counting species rather than genera would multiply the load three or four times.

Answers in Genesis, which built the Ark Encounter, goes further. Its researchers equate a kind "most closely" with the family level of modern taxonomy and estimate 1,398 kinds of land animals and flying creatures, living and extinct. On a "worst-case" basis that means 6,744 animals, which they present as an upper bound, most of them small. Ken Ham has written that the true number of kinds "could even be a thousand or so." Mainstream biologists respond that family-level kinds would require new species to arise after the flood far faster than anything observed.

The practical problems science raises

Isaak's "Problems with a Global Flood" (2nd edition, 1998) collects the main objections. Stated plainly, and without disrespect to those who believe otherwise:

  • Loading: about 15,764 animals in seven days is one every 38 seconds, around the clock.
  • Travel and diet: sloths and penguins travel poorly overland; koalas need eucalyptus, silkworms need mulberry leaves, and many snakes and spiders need live prey.
  • Storage and waste: a year's food invites pests and mold, and hoofed animals alone would produce tons of manure a day.
  • Air and labor: a single opening near the top may not clear heat and gases from three decks, and eight people would have to care for thousands of animals daily for a year.

Creationist writers answer point by point: animals may have been young and small, some may have been dormant, food could have been dried, and the systems could have been ingenious. Many also note that Genesis presents the event as an act of God, who can gather and sustain the animals. Scientists reply that once a story relies on miracles, it is no longer a claim evidence can test. That is a fair description of where the two sides part.

Older Mesopotamian flood stories

George Smith and the flood tablet

The most important modern discovery about the ark story was made in a museum. George Smith, born in London in 1840 to a working-class family, was apprenticed at 14 as a banknote engraver. He taught himself cuneiform in his lunch breaks at the British Museum and became a senior assistant in its Assyriology department in 1870. Among fragments from the Assyrian capital Nineveh, he recognized a tale of a flood, a ship and birds sent out to find land: part of the eleventh tablet of the Epic of Gilgamesh, in a seventh-century BCE copy. On 3 December 1872 he read his translation to the Society of Biblical Archaeology, with William Gladstone in the audience. The Daily Telegraph paid for him to search Nineveh in 1873, and on 7 May he found a missing fragment describing the provisioning of the ship. Smith died near Aleppo on 19 August 1876, aged 36.

Utnapishtim in Gilgamesh

In Tablet XI, Gilgamesh, seeking immortality, meets Utnapishtim, the one man granted eternal life. Utnapishtim tells how the gods decided to destroy humanity. The god Ea, sworn to secrecy, repeated the plan to a reed wall so Utnapishtim could overhear, and told him to build a boat. The boat is a cube with walls of 120 cubits and six decks. Utnapishtim loads silver, gold, living creatures, his family and craftsmen. The storm lasts six days and six nights, and the boat lodges on Mount Nimush. He releases a dove and a swallow, which return, then a raven, which does not. He sacrifices, the gods gather, and Enlil, furious that anyone survived, is talked round by Ea and grants Utnapishtim and his wife immortality.

Atrahasis

The Babylonian poem Atrahasis is older; its oldest dated copy comes from the reign of Ammi-Saduqa (1646 to 1626 BCE), Hammurabi's great-grandson, and the standard English edition is Lambert and Millard's (1969). In it, the junior gods dig canals for 40 years and rebel, so humans are made from clay mixed with a slain god's blood to do the work. Humans multiply and their noise disturbs the gods. Enlil sends plague, then drought and famine; each time the god Enki helps people survive. Finally Enlil decrees a flood and makes Enki swear silence. Enki speaks through the wall of a reed hut to the wise Atrahasis, who builds a roofed, pitch-sealed boat and takes aboard food, animals and family. Afterward the gods, deprived of offerings, are starving until he sacrifices, and they introduce limits on human numbers, including barren women. Scholars think the flood in Gilgamesh was largely borrowed from Atrahasis.

The oldest version of all, in Sumerian, is the Eridu Genesis, on a fragmentary tablet from Nippur from around 1600 BCE, with a king named Ziusudra as hero. In the third century BCE the Babylonian priest Berossus retold the story in Greek.

The Ark Tablet

In 2014 Irving Finkel of the British Museum published The Ark Before Noah, about an Old Babylonian tablet from around 1900 to 1700 BCE, just 11.5 by 6.0 cm with 60 lines of cuneiform, brought to him by its owner, Douglas Simmonds. It gives the god's instructions for Atrahasis's boat, and the boat is round: a coracle, the basket-boat of Mesopotamia, on a giant scale. Drawn "on a circular plan," it was to be built of palm-fiber rope and sealed with bitumen, with an area of about 3,600 square meters and walls about six meters high. Twenty lines deal with waterproofing alone. Finkel argued that a boat that only needed to float could well be round.

The tablet also uses a rare sign glossed as "two each, two by two" for the animals, one of the closest verbal parallels yet found to Genesis. Finkel concluded that the Noah story "originated in the landscape of ancient Mesopotamia." A replica round ark was later floated in Kerala, India.

Comparing the stories

FeatureAtrahasisGilgamesh, Tablet XIGenesis 6 to 9
Oldest copyreign of Ammi-Saduqa, 1646 to 1626 BCE7th century BCE, NinevehTorah generally dated to the Persian period
HeroAtrahasisUtnapishtimNoah
Causehuman noise and overpopulationapparently divine whimhuman wickedness and violence
WarningEnki, through a reed wallEa, through a reed wallGod, directly
Boatroofed and pitched; round on the Ark Tableta cube with six decksa long box with three decks
Animals "two by two"yes, on the Ark Tabletnot in those wordsyes, plus sevens of clean animals and birds
Stormseven dayssix days and nights40 days of rain; waters prevail 150 days
Landingnot preservedMount Nimushthe mountains of Ararat
Birdsnot preserveddove, swallow, ravenraven, then dove three times
Sacrificeyes; the gods had been starvingyes; the gods gatheryes; God smells a "sweet savour"
Hero's fatelimits set on humanityeternal lifedies at 950
Promisenonenonecovenant and rainbow

Even the floor areas line up: about 14,400 square cubits for both Mesopotamian boats and 15,000 for Noah's, a difference of about 4 percent. The theological differences are just as striking. The Mesopotamian gods quarrel, act on impulse and go hungry without humans. In Genesis there is one God, the flood is a moral judgment, the survivor is chosen for righteousness, and the story ends with a promise binding God to all living things. Many scholars read Genesis as a deliberate retelling of a story its first audience already knew.

The flood in Judaism, Christianity and Islam

Judaism

Rabbinic literature filled in many details. The Talmud says Noah warned his neighbors to repent and that God set lions to guard the ark. One tradition has Noah spending 120 years felling cedars, giving people time to change, while they mocked him. The tractate Sanhedrin (108b) says he went a full year without sleep caring for the animals; another account says a lion struck him and left him lame. The giant Og, too big to enter, sat on the roof and was fed through a hole.

The rabbis also debated Noah's character. "Perfect in his generations" struck some as faint praise, righteous only compared with a wicked age; others said he would have been greater still in a better one. A text in the Zohar tradition faults him for not praying for his generation and has God call him a "foolish shepherd."

The lasting legacy in Jewish law is a covenant with all humanity through Noah. The Talmud (Sanhedrin 56a to b) sets out seven Noahide laws binding on everyone: no idolatry, no blasphemy, no murder, no sexual immorality, no theft, no eating flesh torn from a living animal, and the duty to establish courts of justice. Non-Jews who keep them are called righteous gentiles, and the Talmud says "righteous people of all nations have a share in the world to come."

Christianity

Jesus compares the end of the age to Noah's time: "But as the days of Noah were, so shall also the coming of the Son of man be" (Matthew 24:37), when people were "eating and drinking" (24:38) until the flood surprised them. Hebrews praises Noah's faith because he "prepared an ark to the saving of his house" (11:7), and 1 Peter links the eight saved through water with baptism: "The like figure whereunto even baptism doth also now save us" (3:21).

Early writers built a rich symbolism on this. Hippolytus (died 235) saw the ark's door as a symbol of Christ. Augustine (354 to 430) argued that the ark's proportions match the human body, which stands for Christ and the Church. Jerome called the raven a "foul bird" driven out by baptism, while the dove with its olive leaf became a symbol of the Holy Spirit and of peace.

Christians today read the story in different ways. Many Catholic, Orthodox and mainline Protestant believers treat Genesis 1 to 11 as theologically true rather than literal history; as early as 1889 the Anglican collection Lux Mundi argued against a literal reading. Many evangelicals hold that the flood was a real event, local or global, and young-earth creationists hold that it was global and shaped most of the earth's geology.

Islam

In Islam, Noah is Nuh, a major prophet and, in Muslim belief, the first messenger sent by God, one of the prophets "of firm resolve." Surah 71 is named after him, and the Quran says he preached for 950 years (29:14). It calls the ship safina and fulk and describes it as made of "boards and nails" (54:13).

The fullest account is in Surah Hud (11:36 to 48). Noah is told that no more of his people will believe and is commanded to build the ship under God's watch and inspiration while the leaders of his people mock him. When the waters gush forth he loads a pair of every kind, his family, except those already judged, and the few believers, and boards in God's name. Then comes one of the most moving passages: as the ship moves through enormous waves, Noah calls to a son who has stayed apart. The son says he will climb a mountain to escape. Noah answers that nothing can protect anyone that day except God's mercy, and a wave comes between them, and the son drowns. The earth is told to swallow its water and the sky to hold its rain, and the ship comes to rest on al-Judi (11:44). Noah pleads that his son was of his family, and God answers that the son was not truly of his family, because his conduct was not righteous. Elsewhere the Quran says Noah's wife was also an unbeliever (66:10).

Later commentators added details: Ibn Abbas is reported to have said the ship was built of teak, and the historian al-Masudi (died 956) described it circling the Kaaba before landing. Islamic tradition contains both the view that the flood was global and the view that it was local to Noah's people.

What scholars say about authorship

Two voices in one story

Readers have long noticed that the Genesis flood account seems to say some things twice. Since the eighteenth century scholars have explained this as two earlier accounts woven together, marked partly by different names for God: Elohim ("God") and Yahweh ("the Lord").

ThemeOne strandOther strand
Animalsone pair of every kind (6:19)sevens of clean animals and birds, a pair of unclean (7:2 to 3)
Durationrain for 40 days (7:12, 7:17)waters prevail 150 days (7:24)
Divine namemostly "God"mostly "the Lord"
Timekeepingexact dates in Noah's 600th and 601st yearsintervals of seven and 40 days
Birdsa raven going "to and fro" (8:7)a dove sent three times

The strands are usually called the Priestly source (P), fond of numbers, dates and genealogies, and the non-Priestly or Yahwist source (J). The Yahwist flood is shorter, about 40 days of rain with week-long waits; the Priestly flood lasts about a year. The Priestly calendar is itself schematic: five months equal 150 days only with 30-day months, as in the 360-day Babylonian reckoning, and the total of a year and about ten days may be meant to reconcile a 354-day lunar year with a 365-day solar one.

The documentary hypothesis and after

The classic theory, the documentary hypothesis, held that the first five books combine four sources, J, E, D and P. Johann Eichhorn proposed two sources in 1780, building on Jean Astruc, and Julius Wellhausen gave the theory its most influential form in 1878, revised in 1883 as Prolegomena zur Geschichte Israels. Classic datings put J around 950 BCE and P in the fifth century BCE.

Since the 1970s scholars such as John Van Seters, Hans Heinrich Schmid and Rolf Rendtorff have challenged the model and dated the "Yahwist" material later. One summary says "the consensus around the classical documentary hypothesis has now faltered," yet "most scholars also agree that some form of Priestly source existed," and the flood story remains one of the clearest places to trace it. The completed Torah is generally dated to the Persian period, after the Babylonian exile; Russell Gmirkin (2006) has argued for a date as late as the Hellenistic era for Genesis 1 to 11.

Not all scholars see two documents. Some find a mirrored, chiastic structure suggesting one skilled author or editor. David M. Carr argues the specific contradictions show the sources were first written separately. Jean-Louis Ska of the Pontifical Biblical Institute calls the account a "cantata" for two or more voices. Traditional readers treat the text as a whole, reading 7:2 as a more detailed version of 6:19, and the 40 days as the rain and the 150 days as the time the water stayed high.

Most scholars agree that Genesis draws on Mesopotamian tradition. The flood myth probably arose there in the Old Babylonian period (about 1880 to 1595 BCE) and reached Syria and Palestine later in the second millennium BCE. Interestingly, the combined Genesis story matches Gilgamesh in ways neither strand does alone.

The science: the global flood question

How geology moved away from a universal flood

Modern geology grew up among people who mostly believed in Noah's flood. In 1823 William Buckland's Reliquiae Diluvianae read gravels, boulders and bone caves as relics of a universal deluge. By around 1830 Adam Sedgwick was suggesting only local floods, and Louis Agassiz showed many "diluvial" deposits were left by glaciers. The 1860 Encyclopaedia Britannica proposed a local flood, and the 1911 edition described the "gradual surrender" of attempts to reconcile a literal reading with science.

In the twentieth century the Seventh-day Adventist writer George McCready Price revived "flood geology," the idea that a global flood laid down most rock layers, and The Genesis Flood (1961) by John C. Whitcomb and Henry M. Morris carried it to a wide evangelical audience. Most geologists, including many religious ones, regard flood geology as pseudoscience.

Why geologists reject a global flood

Mainstream science holds that the earth is about 4.54 billion years old and that its rocks record long periods of ordinary processes with occasional catastrophes. Key evidence against one worldwide flood a few thousand years ago includes:

  • Ordered fossils. Fossils occur in a consistent worldwide sequence. No dinosaur turns up with elephants, and human artifacts appear only in the uppermost layers, which sorting by water or by flight to higher ground does not explain.
  • Angular unconformities. Tilted, eroded layers lie beneath flat ones, implying deposition, hardening, tilting and erosion before the next layers formed.
  • Evaporites and reefs. Thick salt beds, left by evaporating seawater, alternate with marine fossil layers, and reefs hundreds of feet thick are preserved intact.
  • Fossil forests and annual layers. At Joggins, Nova Scotia, forests preserved in growth position are stacked through 2,750 meters of rock, and the Green River Formation holds about 20 million thin layers interpreted as yearly deposits.
  • No genetic bottleneck. If all land animals and humans descended from a few survivors around 2500 BCE, their genes would show a severe simultaneous bottleneck. None has been found.
  • Water and heat. There is no known source or drain for enough water to cover the mountains, and proposed sources, such as a vapor canopy or vast underground reservoirs, run into problems of pressure and heat.

Scientists also point to the present distribution of life, such as marsupials living overwhelmingly in Australia, and to partners like the yucca and yucca moth that would have had to travel together across oceans.

How young-earth creationists reply

Young-earth creationists, notably at Answers in Genesis and the Institute for Creation Research, reject the long ages of conventional geology. Their main arguments, stated as they would put them:

  • The layers were laid down quickly. Whitcomb and Morris argued that most fossil-bearing rocks formed during the flood year, explaining fossil order by habitat, buoyancy and mobility: sea creatures buried first, slow lowland reptiles next, humans last because they fled to high ground.
  • The Coconino Sandstone formed underwater. In 2015 Cedarville University geologist John Whitmore reported for Answers in Genesis that his team measured more than 200 cross-beds in this Grand Canyon layer averaging about 20 degrees, gentler than the roughly 32 degrees of desert dune faces and, they argued, a match for underwater dunes. "The facts support a much different conclusion," he wrote: "the sand was deposited underwater." Mainstream geologists dispute this and note that a flood model must also explain many other layers, including wind-blown sandstones above the canyon.
  • The continents moved fast during the flood. Catastrophic plate tectonics, proposed in 1994 by Steven Austin and colleagues building on work by John Baumgardner and Russell Humphreys (1986), holds that runaway mantle movement shifted the continents in a year. Critics say the heat released would boil the oceans and that island ages and ocean-floor sediments show slow movement.
  • Kinds diversified after the flood, as described above, and dating methods rest on assumptions about constant decay rates that creationists argue may not hold.
  • Flood stories are worldwide. Creationists see them as memories of one event. The anthropologist Patrick Nunn replies that people have always lived near rivers and coasts, so local floods would naturally enter their stories.

These arguments have persuaded few geologists outside the creationist movement, and creationists themselves treat Scripture as the primary authority. The disagreement is as much about how to read the Bible as about rocks.

A real flood behind the story?

Many scholars think the story may preserve the memory of a real local disaster. At Shuruppak (modern Tell Fara), Utnapishtim's city, excavators found a layer of river sand and clay about 60 cm thick dating to around 2900 BCE. More broadly, sea levels were about 120 meters lower around 18,000 years ago and rose to roughly today's level by about 8,000 years ago, flooding the basin now under the Persian Gulf.

The best-known proposal is the Black Sea deluge hypothesis. In 1997 William Ryan, Walter Pitman, Petko Dimitrov and colleagues proposed that rising Mediterranean waters broke through the Bosporus around 7,600 years ago (about 5600 BCE) into a freshwater lake far below sea level, pouring in at about 50 cubic kilometers a day for at least 300 days and drowning about 100,000 square kilometers. Ryan and Pitman popularized the idea in Noah's Flood (1998), and Robert Ballard later reported ancient shorelines and freshwater snail shells about 100 meters down off Turkey.

The idea is contested. Aksu and colleagues argue that water flowed out of the Black Sea, not in, and a 2022 review by Aksu and Hiscott found insufficient evidence for a flood. Yanko-Hombach and colleagues wrote in 2011 that "there is no underwater archaeological evidence to support any catastrophic submergence" of settlements, and Giosan and colleagues (2009) concluded that any flood was likely "not so big." A link to the Noah story remains speculation.

The search for the ark

Ancient reports and the first climbs

The first-century historian Josephus wrote that Armenians showed relics of the ark at "the mountain of the Cordyaeans," and in the fourth century Epiphanius of Salamis and John Chrysostom both said remains were still preserved. Islamic tradition, following the Quran, points to Mount Judi. Genesis, again, names a region, "the mountains of Ararat"; the link to the peak now called Mount Ararat, with its summit at 5,137 meters (16,854 feet), came later. The first recorded ascent of Ararat, in 1829, was made by Friedrich Parrot, who wrote that local Armenians believed the ark still lay on the summit and that no one was allowed to approach it.

Navarra, Irwin and the eyewitnesses

The Frenchman Fernand Navarra claimed to have seen the ark in 1952 and in 1955 returned with his 11-year-old son and a wooden beam about 1.5 meters long, describing it in J'ai trouvé l'Arche de Noé (1956). Early tests based on color and density suggested 5,000 years, but those methods are unreliable. Radiocarbon tests by five laboratories dated the wood to about 1,200 to 1,700 years ago, and a 1984 test came out at about 1,500. The wood is old, but thousands of years too young for the ark of Genesis.

The astronaut James Irwin, the eighth person to walk on the Moon, founded the High Flight Foundation in 1972 and led several expeditions in the 1980s. He was badly injured in a fall in 1982, turned back by a blizzard in 1983 ("It's easier to walk on the moon," he said), and in 1984 found only a pair of abandoned skis at the site of Navarra's wood. Late in his search he said, "The likelihood of it surviving at all is small."

Eyewitness stories have not led anywhere verifiable. George Hagopian said in 1970 that he had seen the ark twice as a boy, more than 1,000 feet long; John Warwick Montgomery observed that sizes "regularly appear greater than they actually are to small children." Ed Davis, a US Army engineer sergeant in Iran in 1943, described seeing it broken in two; his base at Hamadan was about 640 km from Ararat, and the investigator Bob Cornuke later concluded that the site he described must have been in Iran.

The Ararat anomaly

In 1949 a US Air Force reconnaissance flight photographed a dark shape in the ice about 4,724 meters up, some 2.2 km west of the summit, on what was then a sensitive border with the Soviet Union. The images were classified. In 1995 six frames were released under the Freedom of Information Act to Porcher Taylor, a University of Richmond professor, and commercial satellites such as IKONOS photographed the spot in 2000. No one has shown the feature to be man-made, and no expedition has brought back evidence from it.

The Durupınar site

About 29 km south of Ararat's summit, near Doğubayazıt, lies a boat-shaped formation about 164 meters (538 feet) long on Mount Tendürek. Captain İlhan Durupınar of the Turkish Air Force spotted it in a 1959 aerial photograph, and a 1960 expedition that dug into it found only soil and rock. From 1977 Ron Wyatt, an American nurse anesthetist and amateur archaeologist, promoted it as the ark, claiming it contained petrified gopher wood. Turkey declared the site a national park in 1986. Wyatt's claims were rejected by geologists and archaeologists and disputed by fellow creationists such as John D. Morris of the Institute for Creation Research; the geologist Lorence Collins found his "petrified wood" was volcanic rock.

The clearest verdict came from a former champion. David Fasold had believed the site was the ark, but in 1996 he and Collins published a paper whose abstract begins: "A natural rock formation near Dogubayazit, Turkey, has been misidentified as Noah's Ark." It concluded the site "cannot have been Noah's Ark nor even a man-made model," explaining the supposed iron brackets as weathered volcanic minerals and the "walls" as tilted rock layers.

The 2010 announcement

In April 2010 the Hong Kong-based Noah's Ark Ministries International announced wooden compartments high on Ararat dated to 4,800 years ago. The creationist geologist Andrew Snelling noted that only one test of one sample gave that date. Critics noted the absence of professional archaeologists and the choice of a press conference over peer review, and Randall Price, who had earlier worked with the group, alleged the structure was built by Kurdish workers using wood brought from near the Black Sea. Turkey's culture ministry questioned the group's permits. The claim has not been substantiated.

Why the finds have not held up

The same patterns recur: natural formations that look boat-like from afar, wood that dates to the last two thousand years, eyewitness accounts given decades later about places no one can find, and announcements made through books and press events rather than peer-reviewed work. Ararat's history as a closed border zone, where Turkey banned exploration at times and Kurdish rebels ambushed parties in 1985, has made independent checking harder still. None of this settles questions of faith. Genesis never says the ark would survive, and for many believers faith in the story does not depend on finding it.

Replicas and modern "arks"

The Ark Encounter

The most ambitious replica is the Ark Encounter in Williamstown, Kentucky, run by Answers in Genesis, the young-earth creationist ministry led by the Australian Ken Ham. It opened on 7 July 2016, a date chosen to echo Genesis 7:7. It is 510 feet long, 85 wide and 51 high (155.4 by 25.9 by 15.5 meters), based on a 20.1-inch cubit chosen after considering twelve possible lengths, and it stands 15 feet off the ground on concrete towers, with three decks and 132 bays.

The Troyer Group of Mishawaka, Indiana, built it with Amish timber framers among more than 1,000 craftsmen, using about 3.3 million board feet of timber and 95 tons of steel plates and bolts, which building codes required. Answers in Genesis put the cost at more than $100 million, including $62 million from a bond offering and $36 million in donations. Kentucky's offer of up to $43.1 million in tourism tax incentives was withdrawn in 2014 over the park's hiring rules, which require staff to sign a statement of faith; a federal judge ruled for the park in January 2016 and the incentives were restored.

Inside are models of the animal "kinds" its researchers believe were aboard, dioramas of daily life on the ark, and exhibits on its view of the flood. It reported about a million visitors in its first year. The science educator Bill Nye, who toured it in 2016, called its teaching of a 6,000-year-old earth "absolutely wrong"; supporters see it as a powerful testimony to Scripture. Since 2017 it has been lit permanently in rainbow colors, which the organization calls reclaiming the biblical symbol.

Johan's Ark

In the Netherlands, the builder Johan Huibers first made a half-scale ark, 70 meters long, which opened in 2007 and later toured European ports. His full-size Johan's Ark opened in Dordrecht in 2012 after four years' work with eight helpers. It is 119 meters long, 30 wide and 23 high, which he equated to 266 by 66 by 50 cubits, built mostly of American cedar and pine (the equivalent of about 12,000 trees) for about 4 million euros. The seven-story wooden structure rests on 21 steel barges. It is not seaworthy on its own but can be towed along rivers, and it holds life-size models of animals from cows to a giraffe.

Modern descendants

Because the ark is a story about carrying life through catastrophe, its name has been borrowed by projects that store living things and knowledge.

ProjectWhat it storesKey facts
Svalbard Global Seed Vault, Norwaybackup crop seeds from gene banks worldwideopened 26 February 2008 inside a mountain on Spitsbergen; room for 4.5 million samples; about 1.36 million held by mid-2025
Millennium Seed Bank, Englandwild plant seedsrun by Kew at Wakehurst since 1996; banked 10 percent of the world's wild plant species by 2009; nearly 2.5 billion seeds from over 40,000 species by 2025
The Frozen Ark, United Kingdomfrozen DNA and cells of endangered animalsfounded by Ann Clarke, Bryan Clarke and Anne McLaren; first deposits in 2004, with early targets including the scimitar-horned oryx
Ark of Taste, Slow Fooda catalog of endangered foodsfounded 1996; 5,312 products from more than 130 countries by September 2021
Arch Mission Lunar Libraryan archive of human knowledgeabout 30 million pages, including English Wikipedia; crashed on the Moon aboard Beresheet in 2019; another landed aboard Odysseus in February 2024

The seed vault has already worked as intended. In 2015, because of the Syrian civil war, the International Center for Agricultural Research in the Dry Areas withdrew backup samples to rebuild its collection, followed by a larger withdrawal in 2017.

The ark in art and culture

The ark has drawn artists for centuries. On the Sistine Chapel ceiling, commissioned in 1508 by Pope Julius II, Michelangelo's The Flood focuses not on animals but on terrified people struggling toward high ground. Other well-known works include the fifteenth-century Scenes from the Life of Noah, John Martin's The Deluge (1834) and The Eve of the Deluge (1840), and Edward Hicks's Noah's Ark (1846) in the Philadelphia Museum of Art, with lions and lambs filing peacefully toward the ark under storm clouds.

In medieval England the story was a favorite of the guild mystery plays. In the Chester cycle, dating back at least to the early fifteenth century, the Noah pageant was performed by the Drawers of Dee, the water carriers' guild, and much of its comedy comes from Noah's wife refusing to board. Benjamin Britten turned it into the opera Noye's Fludde, mainly for amateur and child performers, first performed on 18 June 1958 at St Bartholomew's Church, Orford, during the Aldeburgh Festival, with a children's chorus of animals marching aboard to bugle fanfares. Other stage works include the operas Il diluvio universale (1830) and Le Déluge (1875) and the musical Two by Two (1970). On screen there are films such as Noah's Ark (1928), Evan Almighty (2007) and Noah (2014), along with countless children's books and toys.

Why the story has mattered, and still matters

For the first hearers of the Mesopotamian versions, the flood explained why human life is fragile and limited, and why the gods must be honored. For the first audiences of Genesis, who likely knew those stories, the retelling made bold claims: one God rather than a quarrelling council, a flood that answers human violence rather than divine whim, and an ending in promise rather than a lucky survivor's immortality. Genesis presents the flood as creation undone and remade: the "windows of heaven" and "fountains of the deep," separated at creation, burst open, and then dry land appears again.

In Judaism, Noah is the ancestor of all people and the bearer of the first universal covenant and its seven laws. In Christianity, the ark is a figure of salvation and baptism and a warning to be ready. In Islam, Nuh is the model of the patient prophet, and his drowned son teaches that faith, not family, saves. All three share the core: human wrongdoing, judgment, a faithful remnant, and mercy.

Today the rainbow covenant, made with "every living creature," has new resonance in an age of environmental worry. The ark is the oldest image of a deliberate effort to save every kind of animal, and seed vaults and gene banks are, in a real sense, arks. The story also remains a meeting point between faith and science: for some a test of whether Scripture is literally true, for others a profound story about justice and new beginnings, and for historians a window onto how a tale travelled from Sumerian clay to the Bible, the Quran and beyond.

Frequently asked questions

How big was Noah's Ark?

Genesis gives 300 by 50 by 30 cubits. With an 18-inch cubit that is 450 by 75 by 45 feet (about 137 by 23 by 14 meters); with the Ark Encounter's 20.1-inch cubit, 510 by 85 by 51 feet.

Two by two, or by sevens?

Both. Genesis 6:19 says two of every kind; 7:2 to 3 says sevens of clean animals and birds and two of unclean animals. Scholars often assign them to different sources; traditional readers see the second as a fuller version of the first.

How long did the flood last?

Rain fell for 40 days, the waters prevailed 150 days, and Noah left the ark a little over a year after the flood began.

Is the story older than the Bible?

Similar flood stories appear in older Mesopotamian texts, including the Sumerian Eridu Genesis, Atrahasis and the Epic of Gilgamesh. Most scholars think Genesis draws on that tradition while changing its meaning.

Has the ark been found?

No claimed discovery has survived independent examination. The Durupınar formation is natural rock, wood from Ararat has dated to the last two thousand years, and the 2010 announcement was not substantiated.

Can I visit a full-size ark?

Yes: the Ark Encounter in Williamstown, Kentucky (opened 2016) and Johan's Ark in Dordrecht, the Netherlands (opened 2012).

Sources

Frequently asked
What is Noah's Ark: The Story, Its History, and the Search for the Ark about?
Few stories are as widely known as Noah's Ark. A righteous man is warned that a flood is coming. He builds a huge wooden vessel, fills it with his family and…
What should you know about the story as told in Genesis?
The flood narrative fills chapters 6 to 9 of Genesis, in the "primeval history" (chapters 1 to 11) that runs from creation to the Tower of Babel. It begins about ten generations after Adam.
What should you know about why the flood comes?
In the King James Version, "God saw that the wickedness of man was great in the earth" (Genesis 6:5). The earth is described as corrupt and full of violence, and God resolves to destroy what he has made. One man is the exception: "But Noah found grace in the eyes of the Lord" (6:8). "Noah was a just man and perfect…
What should you know about the instructions?
God tells Noah to build a vessel. The Hebrew word, tevah , means something like a chest or box, and it appears in only one other place in the Bible: the basket in which the infant Moses is set afloat. In both stories a fragile container carries the future across dangerous water.
What should you know about two by two, and by sevens?
Noah is told to bring "two of every sort" of living thing, male and female, "to keep them alive with thee" (6:19), and to gather "of all food that is eaten" for his household and the animals (6:21).
References & sources
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