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From Bourg Saint Maurice, go up to Tignes 2100. Cross the main street, the Promenade de Tovière, and park in the Rosset covered car park, which is free in summer.
Please note: the approach to the entrance to the valley is through a grassy area with no rocks or trees, andGR® markers are few and far between. Follow the GPS track
(S/E) When leaving the car park, turn left, pass under the Paquis chairlift and you will come to a Y-junction.
(1) Continue to the right on theGR®5marked in red and white. Head towards the Chalets Supérieurs de la Touvière.
(2) Continue on theGR®5, ignoring the paths branching off to the right and left, until you reach a crossroads near a stream, which is also the one leading to the Croix de Combefolle.
(3) Stay on theGR®5, keeping parallel to the stream, to quickly reach another crossroads.
(4) Turn right here, leaving the GR®. Cross the stream and continue on to reach the Vallée Perdue.
(5) Descend to the left along the path in Vallée Perdue, crossing bridges where necessary, with cable handrails in areas considered dangerous. Admire the rocks along the way and then reach the intermediate entrance.
Note: in the middle of this route, there is a section that is not served by the path as it leads to a staircase that you have to climb. Come out onto a track at a bridge, go down the track a little and take the first path on the left that leads back into the ravine.
(6) Here you have two options:
- begin your return journey by turning left onto theGR®5,
- continue along the Ruisseau de la Touvière to reach the picnic area.
(7) Take the previous route back to the crossroads at the intermediate entrance to the Vallée Perdue.
(6) Turn right onto theGR® and stay on it, turning left at the Carrefour du Chalet de la Tovière. Then join the Carrefour de la Vallée Perdue.
(4) Continue along theGR® to return to the Carrefour de la Croix de Combefolle.
(3) Leave theGR® and begin a gentle descent to reach the Croix de Combefolle, located on the edge of the Bois de la Laye. Here you will find a picnic area and the Sentier Découverte (Discovery Trail).
(8) Take this trail and continue downhill to reach the Gouille de Salin site at the edge of the woods. Here, you can take a detour to the right via the Gouilles de Salin to discover two successive sites:
- "classic" waterfalls;
- waterfalls where the water trickles down the rocks over a large area.
Head back up and rejoin the original trail to reach Carrefour du Lavachet.
(10) Turn left, following the yellowGR® 5 sign, and climb back up the ridge that runs alongside the initial ravine to the crossroads you passed on the way there.
(1) Turn right and follow the same route as on the way out to return to the Rosset car park (S/E).
Visorando member
Easy 
