Departure from the Bise car park, accessible by road from Vacheresse (signposted Bise/Ubine).
(S) Continue along the road and pass the Chalets de Bise.
(1) Cross a bridge over a stream (red and whiteGR®5markings) and pass in front of the Refuge de Bise. Turn right at the corner of a barn and climb steeply to the south-east. This will take you to the Pas de la Bosse.
(2) Take the path on the right (west) towards the Chalets de Mens. Climb up to reach a plateau between the Pointe de la Bosse to the south and the Saix de Mens to the north. Descend and head for the Chalet de la Combe au Trot.
(3) Take a wider path down to the Chalets de Mens.
(4) Turn right (west) and follow the path towards Col d'Ubine. Cross southwest, south, then southwest again to reach Col d'Ubine.
(5). Descend westwards towards the Chalets d'Ubine, which are clearly visible.
(6) Leave the Ubine chapel on your left and take a tarmac road for a few dozen metres. Take a path on the right that gradually climbs through pastureland. Enter the Maupas forest. Cross the north-northwest flank then descend to the northeast.
(7) At a crossroads, continue north, leaving a marsh on your right. Then turn left to reach Lac de Fontaine (E).
You are in a protected area! See the regulations in the practical information section.



