A route to prepare
The official sheet lists an 8.7 km return route, about four hours, rated hard. The lake is at 1,921 m. Check the weather and trail conditions before setting out.
The glacial lake looks towards Chartreuse, Dent de Crolles, Granier and the 7 Laux. The route is listed as not wheelchair accessible. Bring mountain footwear and clothing suited to the forecast.
- Official start: Pont de la Betta, Laval
- Return route listed: 8.7 km, 4 hours, hard
- GPX track available on the official sheet
A mountain route
Starting at Pont de la Betta in Laval, the tourist office describes an 8.7 km return hike of around four hours, rated difficult. These figures refer to this particular route; allow extra time for breaks and check conditions before setting out.
Plan your outing
- Check parking, forecast and trail conditions before leaving.
- Bring mountain clothing and check that the listed profile suits your group.
Official information
Check with local organisations for up-to-date routes, opening times and conditions.