Start from the Bon Pommier car park, on the D485 coming from Lepuix towards the Ballon d'Alsace National Forest.
(S) Follow the forest track westwards and cross the Pont du Rummel.
(1). Continue along this track, ignoring the side paths, winding your way along the foot of the Plain de l'Epine. After about 1 km, you will reach the Étang des Roseaux.
(2) Go round the pond on the left and continue for 2 km on the Yellow Disc-marked path until thefirst junction.
(3). Follow the path climbing up to the left, pass a path on the left and reach another junction. Then continue along the path on the right, heading north, to the Refuge de la Grande Goutte.
(4) Continue to the right on the ascending Yellow Disc-marked path starting at the foot of the water point (a hollowed-out tree used as a trough) towards the Ballon d’Alsace, until you reach a pass not named on the map.
(5) Join the GR®5 and follow it northwards. At the next junction, turn right, staying on the GR®5. Continue along the GR®5 to the Etang du Petit Haut.
(6) Continue along the GR®5, keeping to the left of the lake until you reach the junction of paths. Then follow the path marked with a blue and yellow circle (disc or ring?) and follow it to the Pont du Rummel.
(1) 50 m before reaching the forest track, take a look at the Cascade du Rummel. Continue along the forest track to the left, which you took on the way out, to the car park (S/E).