A gas crater in Turkmenistan has burned nonstop since 1971

In the middle of Turkmenistan’s Karakum Desert, a wide pit of collapsed rock has been glowing orange around the clock for more than five decades. Locals call it the Door to Hell. Geologists call it the Darvaza gas crater. Either way, it is one of the strangest industrial accidents ever to become a tourist attraction, a hole in the remote desert that has never stopped burning since the early 1970s, outlasting the government that started it and every plan proposed to put it out.

A Soviet Drilling Project Gone Wrong

The crater’s origin traces back to Soviet-era natural gas exploration in the Karakum, a desert that sits atop one of the largest gas fields on Earth. As drilling crews worked the site near the small village of Darvaza, the ground beneath their rig gave way, opening a sinkhole into an underground gas pocket. Rather than let the escaping methane spread unchecked across the desert and threaten nearby settlements, engineers made the decision to set it alight, expecting the trapped gas to burn off within a matter of days or weeks and leave behind nothing more than an empty pit.

That short-term fix never worked as planned. The crater has instead stayed alight continuously for decades, long past any point its original engineers could have anticipated when they first struck the match. What was meant to be a quick, contained burn-off instead became a permanent fixture of the landscape, one that has outlasted the Soviet Union itself, survived Turkmenistan’s transition to independence, and kept burning through every Turkmen government that has followed since.

Why the Fire Has Never Gone Out

The crater keeps burning because it sits directly above a much larger reservoir of natural gas that continues to feed it from below. Methane seeps upward through fractured rock and porous sediment, reaching the surface fire in a steady enough supply to sustain combustion indefinitely rather than in the single finite burst engineers originally expected. Desert winds help by keeping oxygen flowing across the open pit, which is sunk into the ground like a wide amphitheater of flame, its walls glowing at night and visible for a considerable distance across the flat desert terrain.

Because the fuel source is essentially a slow, continuous bleed from the underlying gas field rather than a one-time pocket that could simply run dry, the fire does not behave like a normal blaze that exhausts its fuel and dies out on its own. It behaves more like a pilot light connected to an almost inexhaustible gas line, one that geologists say could plausibly keep burning for many more years, or even decades, without any human intervention at all.

Turkmenistan’s On-Again, Off-Again Plans to Extinguish It

The Turkmen government has periodically floated plans to put the fire out, largely because the crater represents natural gas resources burning off uselessly into the atmosphere rather than being captured and sold on international markets. Turkmenistan holds some of the largest proven natural gas reserves in the world, and officials have at times framed the endless flame as a wasteful embarrassment sitting atop a resource the country depends on economically, rather than a curiosity worth preserving for its own sake.

Despite occasional announcements of extinguishing efforts and scientific missions sent to study the site up close, the crater has continued burning every time outside observers have checked back on it. The technical challenge of sealing a fracture zone that feeds into a much larger gas reservoir, combined with the crater’s remote desert location far from major infrastructure, has made any permanent fix far harder to execute in practice than it is to propose in a government announcement.

A Magnet for Tourists and Scientists

Despite sitting hours from the nearest major city, the Darvaza crater has become one of Turkmenistan’s best-known landmarks, drawing visitors willing to camp in the surrounding desert overnight just to watch the pit glow after dark. Tour operators route travelers through the Karakum specifically to see it, and the crater has become a recurring fixture of documentaries, travel features, and photography spreads about the world’s strangest natural and industrial sites, giving a famously closed-off country an unusual amount of international visibility.

Scientists have also used the crater as an unusual natural laboratory in its own right. Because the extreme heat and methane-rich environment mimic conditions found in very few other places on the planet’s surface, researchers have studied the microorganisms that manage to survive at the crater’s edges, work that has occasionally drawn comparisons to the kind of harsh environments where life might conceivably persist elsewhere in the solar system. For now, the fire shows no sign of going out on its own, a permanent scar in the desert that began as a hasty containment measure and instead became one of the most recognizable landmarks in Central Asia.

This article was produced with the assistance of AI and reviewed by Morning Overview editors.

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