Tour du Roc des Tours et Lac de Lessy
Key facts
- Distance
- 13.6 km
- Ascent
- +942 m
- Descent
- −941 m
- Estimated time
- 5 hr 35
- hiking
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 5.1 km under 10%, 5.1 km at 10 to 20% and 3.4 km over 20%. Elevation from 1,271 m to 1,927 m over 13.6 km.
Surface and path types
- Surface
- Paved 19%
- Dirt & gravel 81%
- Path types
- Trail 59%
- Track 22%
- Road 19%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Le Grand-Bornand, Le Grand-Bornand (74).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/15581109). 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
Plan IGN © IGN 2026 · track © OpenStreetMapTour du Mont Lachat de ChâtillonAuvergne-Rhône-Alpes, Le Grand-Bornand (74) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapPlaine de DranAnnecy and its lake, Fillière (74) · Loop
Plan IGN © IGN 2026Circuit de BorderanAuvergne-Rhône-Alpes, La Clusaz (74) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapCircuit de la TêtazAuvergne-Rhône-Alpes, La Balme-de-Thuy (74) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapBoucle du ParmelanAuvergne-Rhône-Alpes, Villaz (74) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapCircuit du LachatAuvergne-Rhône-Alpes, Dingy-Saint-Clair (74) · Loop