The Chaudefour Nature Reserve is one of the 3 glacial valleys of the Massif du Sancy. It is famous for its alpine flora and for its 2 sharp dykes (Dent de la Rancune and Crête du Coq).
Photos credit (x6) : OT Sancy
La Dent du Marais
La Dent du Marais, or Saut de la Pucelle , overlooks Lac Chambon. It results from a volcanic eruption, and takes the form of an imposing rocky needle 100m high.
Photos credit (x3) : OT Sancy
Photos credit 1, 3 & 4 : OT Sancy - Photo 2 (Guery) : Adobe Stock