3 - 4
FATMAP difficulty grade
##Crossing and climbing to the Saint-Rhémy pass From the Col du Grand Saint-Bernard follow the marked path upstream of the road, just before the gallery of the road pass downstream of it, cross a wetland to find at 2300 m, after crossing the road of the pass, the path in balcony, bypassing Comba.
Pass the Praz Farcoz mountain pasture at 2223 m and start the easy climb towards the Col St Rhémy at 2563m ##Crossing and climbing to the Col des Ceingles Cross the Col St Rhémy, the path is gently sloping to reach the central part of the combe des Thoules under the Col des Angroniettes.
Progress towards the Col des Ceingles, the path straightens up and becomes slightly steep as you pass the Col at 2817 m. ##Descent to Lac des Merdeux From the Col des Ceingles go down at the beginning by pulling the right bank of the combe under the Belle Combe needle.
Around 2500 m follow the path on the side leading directly to Lac des Merdeux and the Frassati refuge overlooking the lake to the N.<br/><br/>_This Adventure has been shared under the [Creative Commons Share Alike](https://creativecommons.org/licenses/by-sa/2.5/) licence._