The fluvial deposits of the Somme around Caours have been well known to archaeologists in the latter part of the 20th century, are remains of a time when climate was more temperate. The last interglacial, once known under the name of Riss-Würm, was between 130,000 and 115,000 years ago. The area has produced the remains of mammals of this Paleolithic era, notably antlers and bone. A joint research programme by the INRAP and the CNRS in 2005, has produced interesting results about Neandertal man.
[4][5]
The theory that once explained the disappearance of the Neandertals, the inability to adapt to climatic change has suddenly been put into perspective by the site of Caours.[6]
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