Mounting again Val di Genova, well-known for its waterfalls and the suggestion of its environment, you will meet a series of lakes: Mandrone, Icy, Round, Black and Presena.
The Black Lake is second for its dimensions only to the lake of Vedretta, among those over 2,600 m of altitude. The name comes from the particular colour of its waters which are of a very deep blue. In all these lakes fish are absent, even if, some little organisms can survive, although the altitude.