Park at the Charlemagne car park, along the Route des Crêtes (D430).
(S/E) Head towards the Trois Fours refuge for about 300 m.
(1) Turn right and follow theGR®5marked with a Red Rectangle to reach the top of the Martinswand.
(2) Enjoy the view of the imposing Martinwand cliff, then continue to the Col de Falimont.
(3) At the pass, leave theGR®® and turn left. Descend the steep path (Yellow Disc) to the Frankenthal bog.
(4) Follow the path to the junction with theGR®®531, marked with a Blue Rectangle. Take this to the left towards the Sentier des Roches. After a short while, pass a path (Yellow Disc) coming from the right, then another one about 300 m further on, and shortly afterwards you’ll find a winding path marked with a Blue Triangle climbing to the left.
(5) This leads towards the Chaume des Trois-Fours. At the top of the climb, you’ll reach a junction just before the edge of the forest and the stubble fields.
(6) Leave the Blue Triangle path on your left, turn right and continue climbing straight ahead, following the stubble field. Cross theGR®®5and continue straight ahead to return to the car park (S/E).