The Chaîne des Puys is a north-south chain of cinder cones, lava domes, and maars in the Massif Central of France. The chain is about 40 km (25 mi) long, and the identified volcanic features include 48 cinder cones, eight lava domes, and 15 maars and explosion craters. Its highest point is the lava dome of Puy-de-Dôme, located near the middle of the chain. The name of the range comes from a French term, puy, that refers to a volcanic mountain with a rounded profile.
Eruptions began about 150,000 years ago. The most recent eruption was about 4,040 B.C. Puy de Dome is the one of the youngest volcanic feature in the province. The most recent eruption at Puy de Dome was about 5,760 B.C.
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