Park in the Lac de Lispach car park.
(S/E) Head south-west on the Route de Lispach, the D34, to the Chemin de Mariron crossroads.
(1) Turn left onto this path, leave it at thefirst crossroads and take the path on the right, which runs parallel to the D34. Join it further on, follow it to the left and you will reach a fork.
(2) Turn right to cross the bridge over the Ruisseau du Chajoux stream via Chemin Ehlinger, which is also the discovery trail. Follow the stream to reach the Hauts Viaux crossroads.
(3) Without crossing the stream, continue straight ahead on this path and you will reach a T-junction above the lake.
(4) Turn right, then very quickly left to begin the tour of Lac de Lispach. Continue to signpost no. 3.
(5) Continue around the lake to reach the Lac de Lispach car park (S/E).