A cheire is a local term for the uneven surface of certain lava flows. The lava flew out of the Puy de Come about 15000 years ago (access to the Puy de Come is forbidden because of massive erosion). The Cheire de Come is wellknown as a place for practising orienteering. Becareful,donotventure
into the deep and thick forest around there without a map or you might get lost!