Departure from the Saut des Cuves where it is easy to park. Take along the Vologne in the direction of the Poli, route marked with a green rectangle Continue to the Poli then to the head of Grouvelin with sometimes some difficult climbs on the slopes of the Mauselaine station Once at the orientation table, admire, Le Honeck, the Route des Crêtes... The return is in front of the table, always by the marked green rectangle towards Lispach. Once in Lispach, take the marked red cross and keep your attention because the descent is then difficult and tricky. You arrive along the longemer lake and the return is along the lake then by Xonrupt to return to the Saut des Cuves. Course of 20km/700D+ achievable quietly in 5 hours