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From Vacheresse, follow the road towards Bise/Ubine then Bise. Traffic is prohibited shortly before the Bise chalets: park diagonally in the car park on the side of the road.
Signposts are located at major intersections
(S/E). Continue along the road towards the chalets and cross the old car park. Cross a stream via a concrete bridge near the Refuge de Bise.
(1) At the corner of a livestock building, follow the GR®5 trail to the right towards Pas de la Bosse (red and white markings). The trail climbs southeast, with a steady but regular slope, to Pas de la Bosse, where there is a grassy plateau.
(2) Continue along the hillside on the left (south-east; leave the GR®5 trail descending to the right towards the south). Reach the foot of the Couloir du Séraukin.
(3) Enter this very steep couloir, on a path that winds between small boulders and large rocks (difficult going in wet weather). Reach a small grassy plateau at the exit of the couloir, with a bird's eye view of the Chalets de Bise.
(4) The path then turns right. Cross a small ledge with an easy scramble. Climb up on the left and, via switchbacks on terrain that is half grassy and half stony, reach an unnamed pass.
(5) Cross the pass and continue on the south-east slope. Follow the path on the left (eastbound). Walk through a mainly rocky environment, with short exposed sections, until you reach the summit.
(6) Then climb north-west and you will soon reach the summit.
(7) Begin the descent via the same route.
(6) After a few hairpin bends, keep to the left to descend eastwards to Pas de Chaudin (yellow Swiss hiking trail sign), on the southern edge of a valley (Chaux du Milieu).
(8) Take a well-marked path into the valley towards Taney (there may be snowfields in early summer). Descend into the valley heading east-northeast.
(9) Turn left (east-northeast) and wind your way between small rocks. Then turn sharply left (west-northwest) to reach a sort of promontory above the Loz chalet (altitude 2000).
(10) Then head due west and follow a well-marked path through the mountain pastures. The path then turns north and then north-west, climbing up to the Col d'Ugeon.
(11) Follow the path heading south-west towards the Chalets de Bise. The descent begins with a moderate slope. Pass a pond on your right, then follow a stream on your right (Ruisseau de Bise on the IGN map). The slope becomes steeper and the path winds several times before reaching a flat area (marker post). Pass a pond on your left and you will come to the edge of a large clearing with spruce trees.
(12) Follow the gap on your right and squeeze through the shrubs. At the end of this area, the Chalets de Bise are clearly visible and the path descends more steeply through the pastures. As you approach the chalets, cross a stream (marker post). You will soon reach the first chalets.
(1) Continue straight ahead and pass the Refuge de Bise. Cross the river, cross the old car park and continue along the road to the starting point (S/E).
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Visorando Member
Moderate 
Difficult 
