They are north of Fradusta peak, in the heart of the plateau of the Pale di San Martino.
To the lakes from San Martino di Castrozza : 2,30 - 3,00 hours
From San Martino di Castrozza, by chairlift, or on foot in 2,45 hours, along the path n. 701 you can reach Pedrotti- Rosetta. From the Rifugio turn eastwards, along the path n. 709, and reach Passo Pradidali Basso (it takes about fifty minutes); then continue along the path n. 707 till the Passo della Fradusta.To reach the lake of Manna, continue north-eastwards.
Climb to Fradusta: 1 hour, from the lake
The Fradusta, m 2937, is the peak of a mountain which is iced up in the north (the side you have to climb), and rocky with a 400 metres wall in the south. Generally it is a good track and the journey is easy, but you must afford it only with a good visibility and well equipped!