Vallon des Forges

Vallon des Forges is an out-and-back mountain bike trail in Auvergne-Rhône-Alpes, France, inside Parc naturel régional du Vercors. It is 0.8 miles each way, 1.6 miles there and back. It runs between about 4,490 ft and 5,660 ft above sea level, with roughly 1,310 ft of climbing one way. It is rated mtb:scale 4 or higher: very steep, technical terrain that only expert riders should attempt. Most of the way is dirt. The nearest town is Saint-Nizier-du-Moucherotte, about 1.1 miles south of the start. Peaks within about 3 miles include Grande pucelle, Pucelle de Saint Nizier and Le Couteau. Cascades du Bruyant and Petite Cascade are within about 3 miles. For camping, Les 3 Pucelles and Camping de Bois Sigu are within about 6 miles. There are 50 other mapped trails within about 3 miles, so you can combine or extend the outing. Distances, elevations and the trail shape here come from OpenStreetMap and the Copernicus 90 m elevation model. Trail access for bikes, closures and conditions change, so check locally before you ride.