Distance: 11.8 km
Level: Mountain bikers
Level: Blue level - Moderate
Level: Suitable for beginners
Elevation: 240 D +
Departure: Saint-Geoire-en-Valdaine
MTB markings, circuit n ° 33.
In the countryside, In the forest, Pond less than 300 m
Recommended period (s): Autumn, Summer, Winter, Spring
Attention, be careful when crossing the secondary road.

By bike

By mountain bike

Circuit with very varied terrain. After a warm-up on flat and winding paths, you will tackle a steady climb, rewarded by a beautiful descent in the undergrowth.

You cross one of the richest natural sites in the department of Isère (Natura 2000 area: stay on the path) and walk along the Château de la Lambertière, the Château de Longpra and the Saint-Georges church.

The +: the multi-hike station, the spot for multi-activities and the picnic break

Topo / step by step : Benefit from voice guidance on OnPiste: https://www.onpiste.com/explorer/destinations/pays-voironnais-426

Points of interest

Château de Longpra
Cultural heritage

Longpra Castle

Brasserie artisanale du Val d’Ainan  « La Dauphine »

Traditional brewery of the Val d'Ainan "La Dauphine"

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  • Mountain bikers
  • Blue level - Moderate
  • Suitable for beginners


Free access.

Equipments & services


  • Picnic area.
  • Parking
  • Free parking


  • Pet Friendly