Start from the "Onchets" car park, at the junction between Route de la Villaz and Route de Bellecombe.
(S/E) Go up Route de la Villaz on the right until you see a sign on the left for "Les Mellies".
(1) Then take the forest path that climbs to the left until you reach a crossroads.
(2) At the intersection, continue straight ahead towards "Damoz des Prés" and you will arrive at La Chaux, where the panorama awaits you. A picnic table is available for your use.
(3) Return by following the same route you took on the way there (S/E).