Grotte du Lazaret

The Grotte du Lazaret is one of Europe's most significant prehistoric sites, tucked into the rocky slope of Mont Boron in Nice, right above the harbor and only a short walk from today's shoreline. For tens of thousands of years this shelter gave cover to groups of hunters living along the Mediterranean coast, long before modern humans arrived on the continent.

Who lived in the Lazaret cave?

The cave's sediment layers preserve traces of the last European populations of Homo erectus, already close to Homo heidelbergensis — forms sometimes described as "pre-Neanderthal." The site captures a pivotal moment in human evolution on the continent: a population that would, over tens of thousands of years, give rise to the Neanderthals. Among the human remains found — teeth and skull fragments — the most striking is a parietal bone from a roughly nine-year-old child, dated to about 150,000–160,000 years ago. Teeth belonging to both adult men and women, as well as children, show that whole family groups sheltered here, not just solitary hunters.

How long was the cave occupied?

Stratigraphic work has identified more than twenty-seven archaeological levels at Lazaret, corresponding to successive occupation episodes spread across roughly 190,000 to 130,000 years ago — the Middle Pleistocene, during the glacial period known as Marine Isotope Stage 6. It ranks among the longest and best-documented settlement sequences of this era anywhere in Europe.

What has been found inside?

Excavations have yielded close to one hundred thousand flint tools — bifaces, scrapers and smaller implements used for working hides and meat — along with more than twenty thousand fossilized animal bone fragments, mostly deer, alongside bison, rhinoceros and mammoth. Traces of hearths show that the cave's occupants burned dried seagrass (posidonia) gathered from the nearby coast, and residues of animal fat suggest meat was smoked close to the fire. Some levels also contain stone alignments interpreted as the remains of simple windbreak structures built near the cave entrance.

Who discovered and studied the cave?

The first exploration took place in 1842, led by Alexis Naudot. Systematic scientific excavation did not begin until 1962, under prehistorian Henry de Lumley, who established the on-site Laboratoire de Préhistoire du Lazaret. Fieldwork continued over the following decades, mostly during summer campaigns, and the cave was officially listed as a monument historique on 21 March 1963.

How can visitors see the Grotte du Lazaret?

Studied scientifically for over a century, the site opened to the public in May 2017 as an interpretation center dedicated to the prehistory of the French Riviera. Basic admission is free, with visitors moving through in small groups every half hour. Paid guided tours run from Wednesday to Sunday, typically at 11am, 2pm and 4pm, alongside educational workshops for families and school groups. The cave sits at 33 bis boulevard Franck Pilatte in Nice, in the harbor district, an easy walk from the city center or the seafront promenade.

Frequently asked questions

Is the Grotte du Lazaret related to an old quarantine hospital or "lazaretto"? No. The name simply comes from the location, but the site itself has nothing to do with historical quarantine stations or military hospitals — it is a standalone prehistoric site studied since the 19th century.

How old is the human occupation found here? Traces of habitation span roughly 190,000 to 130,000 years ago, making Lazaret one of the key Middle Pleistocene sites in Europe.

Is entry to the cave free? Basic self-guided visits are free; a fee applies only for booked guided tours or workshops.

Is it a good visit for families with children? Yes — the site runs family and school workshops, and its displays are designed as an accessible introduction to prehistory for a range of ages.

What else is worth seeing nearby? The cave's location by Nice's harbor makes it easy to combine with a walk along the waterfront and a visit to the old town, only a short walk away.