In 1940, a dog named Robot led four French teenagers into a hidden cave; what they found inside had been sealed away for 17,000 years

In September 1940, four teenagers in the French village of Montignac stumbled upon something that had remained hidden for thousands of years. Their unlikely guide was a dog named Robot, whose curiosity about a hole in the ground led them towards one of the most remarkable prehistoric discoveries ever made.

Inside the cave were hundreds of paintings and thousands of engravings depicting animals that lived during the Upper Paleolithic period. The discovery would eventually make Lascaux one of the world's best-known sites of prehistoric art.

How was the Lascaux cave discovered?

The discovery took place on September 12, 1940, when 18-year-old Marcel Ravidat was walking near Montignac with his wire-haired fox terrier, Robot.


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The dog became interested in a deep hole near an uprooted pine tree. Ravidat investigated the opening and returned later with three friends: Jacques Marsal, Georges Agnel and Simon Coencas.

Armed with a lamp, the teenagers squeezed through the opening and entered the cave. What they saw inside was unlike anything they had expected.

What did the teenagers find inside Lascaux?

The walls and ceilings were covered with prehistoric artwork. The paintings included horses, bulls, bison, stags and deer, with some figures stretching across large sections of the cave.

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Lascaux contains more than 600 painted figures and nearly 1,500 engravings spread across its chambers and galleries. The artwork dates back roughly 17,000 years to the Upper Paleolithic period.

Because of its scale and artistic quality, Lascaux has often been described as the “Sistine Chapel of Prehistoric Art”.

Why are the Lascaux cave paintings important?

The discovery offered a striking insight into the abilities of prehistoric humans. Rather than simply depicting people struggling to survive, the artwork demonstrated an impressive understanding of animals, movement and visual representation.

The artists appear to have used the natural shapes of the cave walls as part of their compositions, adding another layer of complexity to the artwork.

Researchers believe Lascaux was probably more than an everyday living space. It may have had ceremonial or cultural significance, although its exact purpose remains uncertain.

Why was Lascaux cave closed to visitors?

The cave became a major attraction after the Second World War, with large numbers of visitors arriving to see the prehistoric paintings.

But the popularity came at a cost. The presence of so many people changed the cave's delicate environment. Human breathing increased carbon dioxide and humidity, creating conditions that encouraged algae and fungal growth.

These changes began threatening the paintings, forcing authorities to reconsider whether the original cave could safely remain open to the public.

What happened to the original Lascaux cave?

Lascaux was eventually closed to the public to protect its prehistoric artwork. Conservationists have continued monitoring the cave's environment and working to preserve the paintings.

Visitors can instead explore carefully created replicas and related exhibitions designed to recreate the experience without exposing the original artwork to the same level of environmental pressure.

Why Lascaux still fascinates people today

More than eight decades after its discovery, Lascaux remains one of the most fascinating windows into prehistoric life. The story is remarkable not only because of the age of the paintings but also because of how they were found.

What began with a curious dog investigating a hole in the French countryside ultimately led to the rediscovery of a hidden gallery created thousands of years before written history.


Inputs from TOI