Start at the exit of Xonrupt-Longemer, after the bend, at a place called Les Charbonnières (altitude 748 metres).
(S/E) Go up the marked trail (blue circles) and cross a first forest road. Continue climbing to elevation 903 on a second forest road.
(1) Turn left (blue cross) then right onto the Route Forestière du Chemin Stratégique (red triangles) until you reach the Loge de la Cloche (elevation 949). Continue to the Col de Malakof (elevation 1030) and join the Auberge de Balveurche.
(2) The return journey is via the marked path (blue triangles) which you take on the left just before you reach the inn. Follow this forest road (Chemin de Balveurche) until you reach the Carrefour Irénée Duvoid (elevation 919).
(3) Turn left onto the Chemin de la Casuette until you reach the Belbriette stream (red crosses).
(4) Follow it downhill towards Les Charbonnières to reach the starting point at Xonrupt-Longemer (S/E).