Les Trois Portes
Key facts
- Distance
- 8.7 km
- Ascent
- +300 m
- Descent
- −284 m
- Estimated time
- 2 hr 30
- hiking
- Difficulty
- Moderate
- official rating
- Route
- Loop
- back to the start
Official time: 2 h 45 min
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 6.7 km under 10%, 1.7 km at 10 to 20% and 0.2 km over 20%. Elevation from 329 m to 573 m over 8.7 km.
Surface and path types
- Surface
- Paved 33%
- Dirt & gravel 67%
- Path types
- Trail 33%
- Track 67%
Difficulty
Official rating: moderate, by Département du Doubs.
Getting there
Start: Les Hauts de Chalèze / Côte de Joux, Chalèze (25).
Sources
- Track: Département du Doubs (explore.doubs.fr), ODbL, ODbL 1.0 (explore.doubs.fr/trek/881-Les-Trois-Portes). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Official time: 2 h 45 min, explore.doubs.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: 300 m, Département du Doubs
Nearby tracks

Plan IGN © IGN 2026Tour des LandesBourgogne-Franche-Comté, Gennes (25) · LoopOfficial rating by Département du Doubs
Plan IGN © IGN 2026Chemin des EpessesBourgogne-Franche-Comté, Gennes (25) · LoopOfficial rating by Département du Doubs
Plan IGN © IGN 2026NacraBourgogne-Franche-Comté, Montfaucon (25) · LoopOfficial rating by Département du Doubs
Plan IGN © IGN 2026Les Falaises et le ChâteauBourgogne-Franche-Comté, Montfaucon (25) · LoopOfficial rating by Département du Doubs
Plan IGN © IGN 2026Les Rives et le ChâteauBourgogne-Franche-Comté, Montfaucon (25) · LoopOfficial rating by Département du Doubs
Plan IGN © IGN 2026Fort de BregilleBourgogne-Franche-Comté, Besançon (25) · LoopOfficial rating by Département du Doubs
