Park in the Lac de Lispach car park.
(S/E) Facing the lake, follow the Anneau Bleu marked trail to the right.
(1) Head right to reach an old mine, which is the subject of an interesting short round trip on the left. Return to the route, come out onto a path marked Anneau Vert and follow it to the left to climb into the forest. Reach a crossroads.
(2) Take the path opposite, following the Red Triangle markings, and head to Roche des Vieux Chevaux: a beautiful viewpoint over Lake Xonrupt-Longemer.
(3) Turn around.
(2) Turn right and arrive at the small pass of Collet de la Mine.
(4) Head towards Lac de Lispach to join the discovery trail that takes you around the lake. Follow the western shore.
(5) At the crossroads, turn left towards Route de Lispach. Just before you reach it, take a path on the left, which runs parallel to it and stays close to the lake. Return to the road and the nearby car park (S/E).