Access: meet at the Chaume du Rouge Gazon car park. This can be reached via the D66 from Remiremont via Le Thillot, Saint-Maurice-sur-Moselle and the Col de Bussang. In Saint-Maurice/Moselle, take the D90, which will take you there via Les Charbonniers. Rouge Gazon is the terminus of the D90 and is also a ski resort with a mountain refuge.
(S) Leave the inn on your right and join the path that passes behind the buildings. Continue to a three-way junction.
(1) Take the path (blue rectangle) and enter the forest to climb up to the Col des Perches junction.
(2) Cross theGR®5, continue straight ahead and descend along a fairly steep path to the right of the Lac des Perches reservoir.
(3) Cross the reservoir and, at the end, at the information sign for the lake, take the small path on the left (blue rectangle) which climbs back up into the forest to the Rocher du Corbeau.
Continue, keeping right at the junction for Moyenne Bers, until you reach a three-way junction for Haute Bers.
(4) Keep left, going around Moyenne Bers, then descend via a series of hairpin bends towards the Neuweiher lakes. Pass between the two lakes on the right. Turn right towards the inn, leaving Petit Neuweiher on your left. Continue to the inn via the forest road.
(5) Continue along this road, passing the inn. Go uphill and after 400 metres and a hairpin bend, take the path on the rightGR® 531 - blue rectangle.
(6) Continue on thisGR® 531 - Blue rectangle in the forest until you reach the Gresson farmhouse inn. At the exit of the hamlet, leave the road and continue to the right, always following the blue rectangle.
(7) Turn right at the blue cross-blue triangle junction and continue for 150m, then turn right at the blue triangle. Follow this path to the Col des Charbonniers and rejoin theGR® 5 - 5F red rectangle.
(8) Turn right and continue on thisGR® 5 - 5F red rectangle. Pass under the source of the Hêtre and then above the Haute Bers refuge. After 100m, turn left onto theGR® 5F blue/white/blue rectangle
(9) Continue climbing on thisGR® 5F for about 600m at an altitude of 1189m.
(10) Turn left and descend along thisGR® 5F blue/white/blue rectangle to Chaume de Rouge Gazon and then the car park.