Trail des Vallées
Nature Trail in Ille-et-Vilaine
About Trail des Vallées
Trail des Vallées
The Trail des Vallées is a nature running event that takes place in Mesnil-Roc'h (Saint-Pierre-de-Plesguen), in Ille-et-Vilaine (Brittany). Organized by the Trail des Vallées association (Saint-Pierre Nature), it takes runners to discover the valleys and reliefs of the Saint-Pierre-de-Plesguen region, near Combourg, Dinan, and Saint-Malo.
Routes for all levels
The event stands out for the variety of its distances: from the 11 km discovery format to long events (33 km, 42 km, 66 km) up to the 115 km ultra-trail with its 2,800 m of positive elevation gain. Combined challenges, family hikes, and children's races complete the program, making the Trail des Vallées an event accessible to both beginners and experienced trail runners.
Information and registration
Registrations are made online via the race platforms (Klikego, NextRun). For the detailed program, start times, and up-to-date prices, consult the official website traildesvallees.com.
Trail des Vallées — edition 2026
The 2026 edition of the Trail des Vallées took place on March 28 and 29, 2026, in Mesnil-Roc'h (Saint-Pierre-de-Plesguen), Ille-et-Vilaine. The program included: nature races from 11 to 115 km, hikes, and children's races, in the valleys of the Saint-Pierre-de-Plesguen region.
Trail des Vallées — 2026 Edition
The 2026 edition of the Trail des Vallées took place on Saturday, March 28 and Sunday, March 29, 2026 in Mesnil-Roc'h (Saint-Pierre-de-Plesguen), Ille-et-Vilaine. Organized by the Trail des Vallées association (Saint-Pierre Nature), it offered a wide range of nature running events, from discovery formats to the 115 km ultra-trail.
Programme Trail des Vallées 2026
Saturday, March 28, 2026
- 06:00 AM — Ultra Trail des Vallées (115 km, 2,800 m D+)
- 10:00 AM — Le Tour des Vallées (42 km) / La Triple des Vallées (42 + 33 + 25 km)
- 02:00 PM — Le Grand Trail des Vallées (66 km, 1,500 m D+)
- 05:00 PM — Le Défi de Mesnil-Roc'h (15 + 25 km) / Course du Mesnil (15 km)
- 06:30 PM — Le Trail des Vallées (33 km)
Sunday, March 29, 2026
- 09:30 AM — Trail du Roc'h (25 km)
- 10:00 AM — Course de Coëtquen (11 km)
Family hikes (6 and 10 km, on-site registration at TDV Village) and children/teenager races completed the program.
Highlights Trail des Vallées 2026
- 115 km ultra-trail with 2,800 m of positive elevation gain
- From discovery format (11 km) to ultra: events for all levels
- Natural setting of the valleys in the Saint-Pierre-de-Plesguen region (35)
- Family hikes and children's races
Prices Trail des Vallées 2026
Practical information — Trail des Vallées
Practical Information
Location
Mesnil-Roc'h (Saint-Pierre-de-Plesguen), 35720, Ille-et-Vilaine, Brittany. The race village (TDV Village) and starts are located in the center of the commune.
Access and parking
Several parking lots are available (public school, media library, presbytery, train station). A motorhome area is also available. Nearby accommodation communes: Mesnil-Roc'h, Saint-Hélen, Combourg, Lanvallay.
Contact
Official website: traildesvallees.com — Email: [email protected].
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Where does it take place — Trail des Vallées
Mesnil-Roc'h (Saint-Pierre-de-Plesguen)
Mesnil-Roc'h, 35720, Ille-et-Vilaine, 35720 Mesnil-Roc'h