From Alain Rohr.
Access: 1h30 to walk up on the TR (very steep at the beginning.) Drop into canyon via slippery downclimbs and gravel
Descent: 3hrs
Description:
DC6m,DC3m,DC7m,R1:10m,R2:50m(nice),R3:12m,R4:23m.
Classic section at the end.
Download research sheet Frenchy Cascade Ck