Located on both banks of the stream, the route takes you around a glacial lock called ‘Les Portes de l'Enfer’ (The Gates of Hell).
The route crosses the Clapouse stream and then climbs up along the Terres Pleines stream.
After crossing a footbridge, the trail climbs up the rocks until it passes the Pissoun (waterfall), offering a magnificent view from an overhang.
It then passes close to a shepherd's hut, crosses a ford and returns to La Chalanette on the right bank of the torrent.
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