Trekking - Trail - Le Diamant d'Isenau

Lac Retaud - La Marnèche - Chalet d'Isenau - Arpille - La Chaux - Col d'Isenau - Col des Andérets - Col de Voré - Lac Retaud

Medium difficulty trail which gives you various views over Les Diablerets, Le Pays d'En-Haut and Lac d'Arnon.

From Lac Retaud follow the footpath until La Marnèche (above Isenau) then continue on to the Isenau mountain chalet. To the left follow the narrow track leading to Arpille then carry on upwards on the right until you reach the summit of La Chaux. The route descends again to Col d'Isenau then Col des Andérets, where you should take the path to the right towards the Chalet Vieux mountain pasture and then the Col de Voré. From there the path descends again to Lac Retaud.

In the mountain pasture chalets Isenau and Chalet Vieux you can find local products (cheese, serac whey cheese, etc.) La buvette de la Marnèche with its charming terrace offering stunning views of the Diablerets mountains awaits you.

Practical information

By postbus from the Diablerets railway station to Col du Pillon then by Diablobus from Col du Pillon to Lac Retaud (during Free Access Card periods).

Lac Retaud can also be reached from the village on foot or by car.

Free parking at the Col du Pillon and Lac Retaud.

Signage: follow the “Diablerets Trail Paradise” signs.


Office du Tourisme des Diablerets
Chemin du Collège 2
1865 Les Diablerets

Tel : +41 (0)24 492 00 10

Technical data

Start point
Les Diablerets
11.5 km
Positive altitude difference
743 Metres
Negative altitude difference
743 Metres

Along your way

Restaurant du lac Retaud

Restaurant du lac Retaud

Les Diablerets

Lake Retaud nestles at an altitude of 1,685 metres directly opposite Glacier3000. This haven of peace offers walks in summer and winter as well as a restaurant with an adjoining, sunny terrace for fans of hiking, cross-country skiing and other winter sports.

Buvette de la Marnèche - Isenau

Buvette de la Marnèche - Isenau

Les Diablerets

This alpine chalet which has been home to the Berruex family for over 40 years offers stunning views of the Ormonts valley: Les Diablerets, Le Muveran, Les Dents du Midi, Leysin, Les Tours d'Aï and Mayen.

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