Derinkuyu Underground City: The Metropolis Carved Beneath the Earth
In 1963 a man in the central Anatolian town of Derinkuyu was renovating his house when he knocked through a wall in his basement and found cold air coming from the dark behind it. The wall opened onto a room he had never seen. The room opened onto a passage. The passage led to a stairway cut into the rock, and the stairway dropped to another level, and that level had more rooms and more passages and another stairway going down. He had broken through into the top of a city — an entire abandoned metropolis carved straight down into the earth, level beneath level, that descended some eighty meters below the houses of the town and that not one living resident of Derinkuyu knew was there.
What he found became one of the largest excavated underground cities in the world. Derinkuyu runs to roughly eighteen levels, of which a fraction are open today, and at its fullest it could hold an estimated 20,000 people together with their livestock and provisions. It was not a mine, not a tomb, not a cellar complex. It was a functioning settlement built underground — with everything a population needs to live sealed off from the surface for weeks at a time.
The reason it exists is the reason it was built to vanish. Cappadocia sits in the middle of Anatolia, a high plateau that for thousands of years was a corridor for armies, raiders, and empires moving between continents. The people who lived there could not stop the danger from coming. So they did something stranger and more effective than building a fortress. When the threat appeared on the horizon, they took their families, their animals, and their food, and they descended into the rock, rolled a half-ton stone door across the entrance from the inside, and disappeared. An enemy reaching the town above would find houses and fields and no people at all. The city had simply removed itself from the world. Derinkuyu is the architecture of that idea: survival not through strength but through disappearance.
Cappadocia Before Derinkuyu: Volcanic Rock and the Cities Carved Into It
Cappadocia is built on the ash of dead volcanoes. Eruptions from peaks like Mount Erciyes blanketed the region in thick layers of soft volcanic tuff, a stone soft enough to carve with hand tools yet firm enough to hold a shape once cut and hardened on exposure to air. That single geological accident made everything else possible.
People here learned early that the easiest building material was the ground itself. Why haul and stack stone to raise a wall against wind, raiders, and the brutal Anatolian winter when you could simply dig a room into a hillside? The region is honeycombed with carved dwellings, cave churches, and rock-cut chambers going back thousands of years. Derinkuyu is the most extreme expression of an instinct that ran through the whole landscape: when in doubt, go into the rock.
Soft Stone, Hard Lives: Why Central Anatolians Dug Down Instead of Up
The first diggers at Derinkuyu were probably the Phrygians, an Iron Age people who controlled central Anatolia in the first millennium BCE and who likely began the upper levels around the eighth or seventh century BCE. The work was almost unimaginably patient. There were no power tools and no explosives — only picks, chisels, and the labor of people scraping out room after room, hauling the debris up through narrow shafts basket by basket, carving stairways and ventilation channels by hand through solid stone.
Each generation that faced a new threat dug a little deeper. The city was not designed and then built; it accreted over centuries, expanding downward as the population that depended on it grew and as new dangers demanded more space. The deeper levels are the later ones, hacked out by people who already knew the city above them worked and who were betting their lives that extending it would save them too. By the time the digging stopped, the tunnels reached down through eighteen levels of rock. It is the patience of fear — the willingness to spend lifetimes carving an escape into the dark because the alternative, staying visible on the surface, had proven fatal too many times.
How Derinkuyu Was Built: Eighteen Levels, Air Shafts, and Rolling Stone Doors
Derinkuyu works as a machine for keeping people alive where they should not be able to live. Eighty meters underground, sealed off from the open air, a crowd of thousands faces immediate problems that have nothing to do with the enemy above: they need to breathe, they need water, they need to keep their animals and themselves from dying of bad air, hunger, or disease in the dark. The genius of the city is in the systems that solved those problems, and they are what separate Derinkuyu from a mere hole in the ground.
The Ventilation and Well System That Kept a City Breathing Underground
Air is the thing that should have killed everyone. Thousands of people, their animals, and their cooking fires packed into sealed stone galleries would suffocate in their own breath and smoke within hours. Derinkuyu solved this with a network of more than fifty vertical ventilation shafts, some over fifty meters deep, that ran from the surface down through the levels and drew fresh air into the lowest chambers. The shafts are placed so cleverly that air still circulates through the open galleries today — a visitor on a deep level can feel the faint cool movement of air that has been flowing through this rock for a thousand years.
Water came from wells sunk deep into the rock, some reaching the water table far below, and these were deliberately not connected to the surface. That detail is a tell about the city’s whole logic. An open well at ground level could be poisoned by a besieging enemy. A well accessible only from inside the sealed city could not. The people who built Derinkuyu thought through the ways a hidden population could be killed without the enemy ever finding the door, and they engineered against each one. The same shafts that carried air doubled as wells on some levels, a single system serving the two things a buried city cannot survive without.
The Rolling Stone Doors That Sealed Derinkuyu From the World Above
The doors are the most chilling object in Derinkuyu. At intervals through the passages sit great circular stones, like millstones, some a meter and a half across and weighing up to half a ton. Each one sits in a carved channel beside the corridor it guards. When danger came, the people inside rolled the stone across the passage to seal it, and here the design turns from clever to ruthless: the stones could only be moved from one side. A small hole through the center let a defender brace a beam and hold the door, or peer through, or thrust a weapon at anyone trying to force it. From the attacker’s side there was nothing to grip and no way to roll the massive disc back.
Each level could be sealed independently. An enemy who somehow breached the entrance and forced their way down would face another stone door at the next level, and another below that, each defended by people who knew the tunnels and held the high ground of the only side that could open them. The city was not a single locked box but a sequence of them, every layer a fresh problem for anyone trying to descend. The people who carved those doors were imagining, in detail, the worst day of their lives — and building a machine to survive it.
Life Inside Derinkuyu: Stables, Kitchens, Chapels, and a Hidden Population
Derinkuyu was not a panic shelter where people crouched in the dark for a night. It was a city stocked to sustain a population for weeks or months, and the layout reflects a community that knew how to live underground. The upper levels held the stables, placed near the top so the animals’ smell and waste stayed away from the living quarters and the beasts could be brought in quickly when the alarm came. Below them came the living spaces, the storage rooms heavy with jars of grain and oil, the kitchens with their soot-blackened ceilings, the wine and oil presses cut directly into the stone.
Picture the descent on the day the city filled. Families drove their livestock down the entrance ramps into the upper stables, then carried bedding and food deeper, claiming the cramped rooms their families had used in the last emergency. Lamps burned animal fat, the only light in a place the sun never reached, and the air thickened with smoke that the shafts pulled slowly upward. Children who had been born since the last threat saw the lower city for the first time. Somewhere a stone door boomed shut in its channel, and the muffled world above — the fields, the wind, the daylight — was simply gone. For as long as the danger lasted, this was the world: stone, lamplight, the breath of animals, and the cool draft from shafts reaching up toward a sky no one could see.
A Church, a School, and the Daily Routine Eighty Meters Down
Derinkuyu had a life of the mind and the spirit, not just survival. On one of the lower levels sits a large cruciform church carved from the rock, its barrel-vaulted ceiling and cross-shaped floor plan unmistakable — a space built for worship by a Christian population that expected to spend serious time below ground. Near it are rooms identified as a religious school, with an adjoining study space, where teaching continued even as the city hid. People did not merely wait out the danger underground; they prayed, taught their children, pressed wine, and kept the ordinary rhythms of a community going in rooms the daylight had never touched.
The detail of the church is the human heart of the place. A people fleeing persecution carved, eighty meters into the earth, not just a place to survive but a place to keep being who they were. The threat above could take their fields and their homes. It could not, as long as the stone doors held, take the cross cut into the rock or the school beside it. The city was a refusal as much as a refuge — a population insisting, in the dark, on remaining themselves.
The Tunnel to Kaymaklı and the Network of Underground Cities
Derinkuyu is not alone. Cappadocia holds dozens of underground settlements, and Derinkuyu is connected to another large one, Kaymaklı, several kilometers away, by a long tunnel running deep beneath the plain. The passage is narrow and low, forcing anyone moving through it to bend and shuffle in single file for kilometers in the dark, but it meant that two hidden cities could move people and supplies between them entirely out of sight of the surface. If one entrance was compromised, the population had somewhere to go.
The tunnel turns the region’s underground cities into a system rather than a set of isolated holes. An enemy occupying the surface could control the towns, the roads, and the fields and still never grasp that beneath their feet ran a connected network of refuges with their own water, air, and lines of communication. The same instinct that built the rolling doors built the tunnel: never have only one way out, never let the surface dictate the terms. The people of Cappadocia had turned the ground itself into a second country, hidden under the first.
Who Hid in Derinkuyu: From Phrygians to Persecuted Christians
The question of who used Derinkuyu, and against whom, spans most of recorded Anatolian history. The Phrygians likely cut the first levels in the Iron Age. But the city reached its fullest use under the Byzantine Christians, who expanded it heavily and turned to it most desperately during the centuries when central Anatolia became a war zone between the Christian Byzantine Empire and the advancing armies of Islam.
From the seventh and eighth centuries onward, Arab raiding parties swept repeatedly across Cappadocia, and the local Christian population learned to read the signs and disappear. When raiders came, the towns emptied downward. The chapels, the cruciform church, and the religious school deep in Derinkuyu belong to these people — communities for whom the underground city was the difference between survival and slaughter or enslavement. Later still, after the region passed into Ottoman hands, Cappadocian Greeks continued to use the underground cities as refuges from persecution and conflict, right up until the twentieth century.
The remarkable thread is continuity of purpose. For more than two thousand years, across utterly different peoples, empires, and religions, the rock served the same single function: when the powerful came to kill or capture you, you went into the earth and waited them out. Derinkuyu outlasted the Phrygians, the Persians, the Romans, the Byzantines, the Arab raiders, and the Ottomans. The faces hiding in it changed across the centuries. The reason they were hiding did not.
The Rediscovery of Derinkuyu and the Hidden Cities Still Being Found
Derinkuyu’s final disappearance was the strangest of all. After the population exchanges of the early twentieth century removed the Cappadocian Greeks who had been the city’s last users, the knowledge of it faded. The entrances were walled up, built over, or simply forgotten, and the town of Derinkuyu went on living its surface life directly above a metropolis no one remembered — until the 1963 basement wall came down and the dark breathed out.
Archaeologists moved in, mapped what they could reach, and in 1969 the site opened to visitors. Even now only about half the levels are accessible; the lower reaches remain partly blocked, unexcavated, or unsafe, so the figure of eighteen levels is a floor, not a ceiling, on what the full city contains. The work of finding Cappadocia’s hidden cities is also far from over. In 2014, during a housing demolition project in the nearby provincial capital of Nevşehir, workers uncovered another vast underground complex beneath a hilltop fortress — a network of tunnels and chambers that some researchers believe may be even larger than Derinkuyu, still being explored. The ground under Cappadocia has not finished giving up its cities.
There is a quiet irony in the modern era. The same cities that were built to hide a population from the world are now opened deliberately so the world can walk through them. Tourists descend the stairs that families once fled down with their children and livestock, pass the stone doors that sealed out raiders, and stand in the cruciform church carved by people praying for the danger above to pass. The architecture of vanishing has become a thing to be seen.
Visiting Derinkuyu: Descending Into Cappadocia’s Hidden World
Derinkuyu sits in the town of the same name in Nevşehir Province, in the heart of Cappadocia, an easy drive from the tourist hubs of Göreme and Nevşehir. The entrance is unassuming — a doorway in an ordinary streetscape that gives no hint of the eighty meters of carved city below it. The descent is the experience. Visitors move down through the accessible levels by way of low, narrow passages and steep worn stairways, often bent double, into air that grows cooler and closer with every level.
The lower a visitor goes, the more the place stops being an attraction and starts being felt. The passages are tight enough that two people cannot easily pass, the ceilings press down, and the only light is what has been installed for visitors. People prone to claustrophobia find the deep levels genuinely hard, and that difficulty is, in a sense, the point — it is the faintest taste of what it meant to bring an entire family and their animals down here and then roll a stone across the only way out. The rolling doors are still in their channels. The ventilation shafts still pull cool air up from the depths. The cruciform church still holds its shape in the rock.
Standing on a deep level of Derinkuyu is an encounter with a particular kind of human resolve. This is not a monument built to glorify a ruler or a god in the open air. It is the opposite — a vast, patient, hidden thing built by ordinary people who had learned, the hard way and over many centuries, that the safest place to be was nowhere the powerful could find them. They carved a city into the dark and lived in it whenever the world above turned dangerous, and then they walked back up the stairs into the sunlight when it was over. The city they left behind is a record of how a people refused, again and again, to simply be destroyed. They went into the earth, and the earth kept them.
Frequently Asked Questions About Derinkuyu
What is Derinkuyu Underground City?
Derinkuyu is an ancient multi-level underground city in the Cappadocia region of central Turkey, descending roughly eighteen levels and around eighty meters into soft volcanic rock. It was built as a refuge where a large population could hide from raiders and persecutors, sealing themselves in with massive rolling stone doors. The city contains stables, kitchens, storage rooms, wine and oil presses, wells, ventilation shafts, chapels, a cruciform church, and a religious school. At its fullest it could shelter as many as 20,000 people along with their food and livestock.
How was Derinkuyu discovered?
Derinkuyu was rediscovered in 1963 when a local resident knocked down a wall during a home renovation and found a hidden passage leading into the buried city. The town living directly above it had no memory that the complex existed, its entrances having been walled up or forgotten over the previous decades. Archaeologists then explored and mapped the accessible levels, and the site opened to visitors in 1969. Only about half of its levels are open today.
Who built Derinkuyu and who hid there?
The upper levels were probably first cut by the Phrygians in the first millennium BCE, but the city was greatly expanded and most heavily used by Byzantine Christians. From the seventh and eighth centuries onward, local Christian communities used it to hide from Arab raiding parties that repeatedly swept across Cappadocia. Later, Cappadocian Greeks continued to use the underground cities as refuges until the early twentieth century. For more than two thousand years, the same rock served the same purpose for very different peoples.
How did people breathe and get water underground?
Derinkuyu was kept livable by an engineered system of more than fifty vertical ventilation shafts, some over fifty meters deep, that drew fresh air down into the lowest chambers — air still circulates through the open levels today. Water came from wells sunk deep into the rock, deliberately accessible only from inside the city so that a besieging enemy on the surface could not poison the supply. Some shafts served as both air ducts and wells.
Why did the people of Cappadocia build cities underground?
Cappadocia sits on thick layers of soft volcanic tuff, a stone easy to carve but firm enough to hold its shape, which made digging into the ground far easier than building upward in stone. More importantly, central Anatolia was a corridor for invading armies and raiders for thousands of years, and a population on the surface was vulnerable. Going underground allowed an entire community to disappear with its food and animals, seal the entrance from within, and wait out the danger until it passed.
Is Derinkuyu connected to other underground cities?
Yes. Cappadocia contains dozens of underground settlements, and Derinkuyu is linked to another large city, Kaymaklı, several kilometers away, by a long, narrow tunnel running deep beneath the plain. This allowed people and supplies to move between the two hidden cities entirely out of sight of the surface. In 2014, an even larger underground complex was discovered beneath a hilltop in nearby Nevşehir, and exploration of Cappadocia’s buried cities continues.
Sources
Underground Cities of Cappadocia — Ömer Demir, Turkish Ministry of Culture (1991)
The Rock-Cut Churches and Settlements of Cappadocia — Lyn Rodley, Cambridge University Press (1985)
Cappadocia: Cradle of History — Ömer Demir (2007)
Byzantine Cappadocia and the Arab Raids — Speros Vryonis Jr., University of California Press (1971)
The Decline of Medieval Hellenism in Asia Minor — Speros Vryonis Jr., University of California Press (1971)
Strabo's Geography, Book XII (Cappadocia) — Strabo, trans. H. L. Jones, Loeb Classical Library (1928)
Underground Settlements of Anatolia: Engineering and Ventilation — Ali Yamaç, Obruk Cave Research Group (2018)
A Massive Underground City Found in Nevşehir — National Geographic (2015)
The Underground Cities of Cappadocia: A Study of Refuge Architecture — Andus Emge, Journal of Anatolian Studies (1990)
Cappadocia: A Rock-Cut Landscape — Robert Ousterhout, Dumbarton Oaks (2017)
