Chaudefour Valley
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).
![Chaudefour valley](../images/activites/lac-chambon-vallee-chaudefour.jpg)
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.
![Dent du Marais](../images/activites/lac-chambon-dent-du-marais.jpg)
And also...
(11 km away from Lac Chambon)
(25 min away from the Lac Chambon)
(at the top, you can admire Lac Chambon)
(view on the Lac Chambon)