The panoramic view of Lac de Serre-Ponçon, the beauty of the lakes and the diversity of the landscapes encountered make this hike, on the border of the Ubaye and Blanche valleys, a must-do in the Alpes de Haute-Provence.
The site of the Col Bas lakes is classified as a fragile site, rich in biodiversity. Do not leave the signposted path (arrêté de protection de biotope n°86-3106). arrêté de protection de biotope n°86-3106
Access by chairlift from the Montclar resort.
From Lac Noir, you can descend to Lac du Milieu, where you can walk along the larch-lined banks of the lake. Crossing the pastoral mountain of Col-Bas offers a completely different landscape, with an exceptional wealth of plant and animal life.