From the col di Pillon, up through the old ski area of Isenau and then down to the Arnensee. I think it’s a fairly popular route but it’s pretty tricky riding in places. The trail down to the lake is rutted and not rideable in places. I don’t recall entirely but it’s possible the heavy rain this year has deepened the ruts. Otherwise, sections are really great and the descent into Feutersoey is great in places.
