La Lyre
Key facts
- Distance
- 30.2 km
- Ascent
- +528 m
- Descent
- −531 m
- Estimated time
- 3 hr 15
- mtb
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 28.2 km under 10% and 2.0 km at 10 to 20%. Elevation from 136 m to 416 m over 30.2 km.
Surface and path types
- Surface
- Paved 39%
- Dirt & gravel 61%
- Path types
- Trail 35%
- Track 40%
- Road 25%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Monthermé, Monthermé (08).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/14888282). 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)
Nearby tracks

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Plan IGN © IGN 2026 · track © OpenStreetMapLes Rouges VoiesGrand Est, Vireux-Wallerand (08) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLa CalcéenneGrand Est, Chooz (08) · Loop
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