Circuit Trail n°1 - De Notre-Dame à Saint-Cast
Key facts
- Distance
- 13.5 km
- Ascent
- +386 m
- Descent
- −181 m
- Estimated time
- 1 hr 35
- trail running
- Difficulty
- Difficult
- official rating
- Route
- Point to point
- ends elsewhere
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 13.1 km under 10% and 0.3 km at 10 to 20%. Elevation from 7 m to 57 m over 13.5 km.
Surface and path types
- Surface
- Paved 32%
- Dirt & gravel 50%
- Unknown 18%
- Path types
- Trail 68%
- Track 7%
- Road 25%
Difficulty
Official rating: difficult, by Département des Côtes d'Armor.
Getting there
Start: Notre-Dame du Guildo, Saint-Cast-le-Guildo (22).
Sources
- Track: Département des Côtes d'Armor, PDIPR, Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (rando.cotesdarmor.fr/trail/circuit-trail-n1---de-notre-dame-a-saint-cast/). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Surface and path types: © OpenStreetMap contributors, ODbL, extract of 28 October 2026, matched to the track every 10 m (openstreetmap.org/copyright)
- Official elevation gain: 386 m, Département des Côtes d'Armor
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