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Start: Relais d'Arpette
(S) Starting from the Relais d'Arpette, take the path on the right-hand side. Go past Arpette village (after the bridge) then leave the large path taking the trail heading to the right in a bend.
(1) Go along a small stream in a rural setting, leaving it behind a bit further along. The track gradually rises, you'll get to a ledge after having crossed the stream. You'll reach Arpette's scree (approximately 2000 m). Always follow the waymarks. The track keeps rising until the path divides in two.
(2) Take a right, following the direction indicated on the rock 'Fenêtre d'Arpette'.
The slope gets slightly steeper, but without difficulty along the mountainside. You then reach a huge scree. There's no particular issue with orientation, just keep following the paint markings on the rocks. However, put your hiking pole aside, you're better off using your hands at this point. Cross over the firn reaching the final climb: you're facing a vertical grassed over wall, you get to the top using the trail/trails that wind along the wall. That's when you reach Fenêtre d'Arpette.
(3) Once you're at Fenêtre d'Arpette, you'll be overlooking Trient glacier and its superb view.
Start a long trip downhill taking the path to the right, a rocky path at first.
Not a dangerous track but challenging due to its length, the fairly steep slope goes down towards Trient stream which you can spot a bit further down.
Pass by Vésevey (a building undergoing restoration in 2011).
(4) The descent finally comes to an end when you reach the stream, following it on the right bank. You then go through a coniferous forest leading to the Prise de Bisse building (refreshment bar).
(5) From there, follow the track along the irrigation canal (bisse) that remains at the same altitude (don't cross the Trient stream), stay on this track (ignore the trails that head down to the valley). After an hour or so, you'll reach the Forclaz Pass (Col de la Forclaz) and a camp site. (E)
Walker
Easy 
Moderate 
Association or club
