Le Roussillon - 22 km - Rouge
Enjoy the tranquility of the lake to warm up well, before starting the climb to the Col de Plan Collet! Long climb in the woods and ascent of Roussillon, before a return to the cool along the Bonne.
The ascent into the undergrowth is intense. At Plan Collet, enjoy the view and head left for a final effort up to Roussillon. The descent is easy and quick, with a water point in Siévoz-Le-Haut. After crossing the Bonne on a viaduct, a short climb and here you are on the way back to the Plan d'Eau along the Bonne, in the cool.
Route details
Pets welcome
Opening
All year round daily.
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Latitude : 44.893259
Longitude : 5.900253
Height : 690
38740 Valbonnais
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Information updated on 29/05/2026
by Matheysine Tourisme
