Cycling sports - Mountain biking itinerary

La Trompe

  • Distance29.9 km
  • Duration3h30
  • DifficultyDifficult
  • Total altitude change+ 690 m
  • TypeCircular
  • Departure/arrivalVassieux-en-Vercors
  • Route markingYes

A rolling and highly varied course, alternating between single-track and woodland trails. It crosses the Vassieux plateau from east to west, passing through the Trompe forest, the Serre Charbonnière wood and the Combe Libouse.

The first part takes you to the Musée de la Préhistoire, which houses a flint-cutting workshop found intact, just as it was 5000 years ago! The route alternates between singles, paths and a few short sections of road, crossing the Vassieux plateau from west to east. A sustained but short ascent takes you up to the "Raphaël Poirée" biathlon stadium. You then plunge into the Trompe forest on a pleasant trail, dotted with small steep sections and beautiful clearings, as far as the Pas du Souillet. At Fouletier, the track descends to the causse, and along the way you'll notice the ruins of my windmills and the little chapel of Saint Mamert.

Further information
  • Car park
  • Public WC
  • Repair kit
  • French
Our tips

Details about route marking : Balisage VTT PNR (Marron) - Boucle N°12 rouge

L’agence d’Attractivité de la Drôme cannot be held responsible for any problems encountered along the route. 

Any problems encountered can be outlined here:

Suricate

 

Author: Conseil Départemental de la Drôme - Apidae Tourisme

Updated on 13/10/2026
Through Conseil départemental de la Drôme

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