Boucle Biron,Maslacq,Castetner
Key facts
- Distance
- 13.4 km
- Ascent
- +131 m
- Descent
- −128 m
- Estimated time
- 3 hr 15
- hiking ; mtb : 1 hr 15
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 13.4 km under 10%. Elevation from 69 m to 192 m over 13.4 km.
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Biron, Biron (64).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/14010211). Time estimated by GPX Path with the Mac app rule, breaks not included.
Nearby tracks

Plan IGN © IGN 2026 · track © OpenStreetMapVallon de Lasbéline
Nouvelle-Aquitaine, Castetner (64) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapPromenade du lac d’Orthez-Biron
Nouvelle-Aquitaine, Orthez (64) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapCircuit du Clamondé à Argagnon
Nouvelle-Aquitaine, Argagnon (64) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapRandonnée : Tour de Mesplède
Nouvelle-Aquitaine, Argagnon (64) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapD'Orthez à Bonnut (VTT Nord)
Nouvelle-Aquitaine, Bonnut (64) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapCircuit de Mounicq
Nouvelle-Aquitaine, Orthez (64) · Loop
