Access: reach the Wildenstein dam from Thann and the Thur valley. Thann is located on the N66, which can be reached via the RN83 between Belfort and Colmar. The Kruth-Wildenstein dam is located at the bottom of the valley, between the villages of Kruth and Wildenstein. Park in the dam car park.
(S/E) Cross the dam embankment, turn right and you will immediately reach the crossroads.
(1) Continue on the D143 and follow the lake on the west side. Reach the end of the lake.
(2) Take the path on the left, marked with a blue cross. Begin a steep climb. After crossing the waterfall, follow the Hinter Bockloch stream. Then take the forest path, marked with a blue triangle, and you will reach the Bockloch hut.
(3) Continue to quickly reach the Adamskopf crossroads.
(4) Turn right onto the path marked with a red triangle towards the Col du Bockloch. Shortly before this pass, you will reach theGR®531crossroads.
(5) Take it on the left and now follow the blue rectangle markings. Continue climbing and reach the summit of Grand Ventron.
Please note: this section of the trail is located in a protected biotope area and it is essential not to leave the trail.
Enjoy the beautiful view from the summit.
(6) Continue southwards over the stubble, still on theGR® trail, to reach Petit Ventron.
(7) Leave theGR® here and descend to the left along the path marked with yellow crosses. Pass the Druidenstein and the Schindelrücken. You will then reach a crossroads in a hairpin bend.
(8) Take the shortcut opposite, which cuts across the bend, to return to the original crossroads you passed on the way up.
(1) Retrace your steps to return to the car park at the dam (S/E).