Recently, the Chaîne des Puys/Faille de Limagne has obtained the title of World Unesco heritage.
The Chaîne des Puys volcanoes , younger than 10,000 years in age ,are not extinct, but dormant and are potentially active :-((
The chain is about 40 km 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 which is 1,465 m high.
You can easily reach the Puy de dome, and others Puys from Les Boutisses (45/50minutes).