(S/E) From the car park (marker 434), just before the information signs, take the path that descends southwards towards the stream.
Cross the stream via the footbridge, then follow the yellow trail on the right, which climbs gently through the forest. A sign indicates "Lac des Adus 1 h 45".
(1) At marker 396, head straight towards the refuge;
(2) Pass it and stay on the left-hand path at marker 395. The lake is not far away. Go around the lake on the left and take the path on the right after the large rock.
Caution: there is another trail marked in yellow that turns left just before the large rock in the lake and climbs up to the pass.
Do not take this trail; continue on the trail.
(3) Pass the ruins and continue climbing. At the intersection at marker 437, take the path that descends to the right.
(4) At an altitude of 2120 metres, look out for a small path on the right in the valley, which is a shortcut to signpost 435.
You are now on theGR®52. Follow it along the dry stream bed to the car park (S/E).
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and took a few photos with the reflection of the adus on the lake.