The Fontanalba valley is located at around 2000 meters above sea level in the Mercantour National Park. It is famous for the protohistoric engravings which are distributed between there and the Valley of Wonders, on the other side of Mount Bego.
Lac Vert (photos 1 & 2)
The first of the Twin Lakes, downstream (photo 2).
The second of the Twin Lakes, upstream, with the guard's house (photo 3).