These three little pearls are in the western slope of the Croda Rossa d'Ampezzo, half way between the Rifugio Ra Stua and the Rifugio Biella.
- From Rifugio Biella: 30 minutes; From the Rifugio enter the path n. 26, which leads to the three lakes.
- From Rifugio Ra Stua:1,30 hours, sign n. 26; you can reach the Rifugio walking along the asphalted road which leaves from the hairpin bend at the km 111 of the Alemagna road, 7 km far from the centre of Cortina. As you reach Ra Stua continue towards the Valle del Boite, as far as Campo Croce. Then go straight along the war mule track, in about 45 minutes you will get to Sénnes: on the right, along the path n. 26, you can climb to the upper plains at Crosc del Gris and at the first lake.