Summer trail running
The Vallée des Belleville is a true haven for alpine trail enthusiasts, offering over 300 km of marked paths to explore through unspoilt landscapes of soaring peaks, forests and high-altitude lakes.

From the charming village of Saint-Martin-de-Belleville, a wide variety of paths await trail lovers, with altitudes ranging from 600 to 3,200 metres. Each route takes you on a journey through breathtaking landscapes, in a wild yet accessible environment.
Paths suitable to everyone
Whether you're just starting out or an experienced trail enthusiast, you'll find routes to suit every level. For a stress-free introduction, supervised outings with a guide allow you to progress at your own pace while benefiting from personalised advice.
During your outings, you may come across herds guarded by protection dogs along the paths. Check out the recommended practices to enjoy your walk with peace of mind.