Statistics

2 - 3

hrs

472

m

483

m

17

max°

Difficulty

FATMAP difficulty grade

Difficult

Description

Take the road on the S side.

(St.Léonard) then the marked out bisse of the Sillionin, passage to the "Planisses" then bend to enter the valley of the Liène, the path becomes very steep, but well secured. Ascent along the bisse to "Sarmona" and turn right to join the Grand Bisse de Lens. Turn right to exit along the old bisse (15th century), partially replaced by a tunel, to find a way back to Chelin. A loop with wonderful views. Allow about 3 hours.<br/><br/>_This Adventure has been shared under the [Creative Commons Share Alike](https://creativecommons.org/licenses/by-sa/2.5/) licence._