Thanks to excavations by the archaeologist F. Garrigou in 1860 and then to those carried out by R. Robert from 1952 onwards, the Cave of the Cow delivered more than a million archaeological remains of a rare quality: bones and animal teeth, fireplaces, flint tools, bone tools and reindeer weapons. These witnesses from prehistoric times tell about the environment and the way of life of the hunters during the Magdalenian period.
These artists have left in the Monique room one hundred works of furniture, engravings and sculptures on bone and reindeer wood, realized by the first known inhabitants of a valley of High Ariège.