Circuit de la vieille rivière
Key facts
- Distance
- 4.5 km
- Ascent
- +106 m
- Descent
- −68 m
- Estimated time
- 1 hr 10
- hiking
- Difficulty
- Easy
- official rating
- Route
- Loop
- back to the start
Official time: 2 h
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 4.0 km under 10%, 0.5 km at 10 to 20% and 0.1 km over 20%. Elevation from 7 m to 76 m over 4.5 km.
Surface and path types
- Surface
- Paved 69%
- Dirt & gravel 30%
- Unknown 1%
- Path types
- Trail 21%
- Track 12%
- Road 67%
Difficulty
Official rating: easy, by Département des Côtes d'Armor.
Getting there
Start: Lanvallay, Lanvallay (22).
Sources
- Track: Département des Côtes d'Armor, PDIPR, Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (rando.cotesdarmor.fr/pedestre/circuit-de-la-vieille-riviere/). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Official time: 2 h, rando.cotesdarmor.fr
- 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: 106 m, Département des Côtes d'Armor
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