Closest village or station: Sixt-Fer-à-Cheval - Salvagny
Walking time from the nearest car park: 3 hours of walking
Access possible and authorized by 4x4
Access possible by footpath: Departure from the Nant Sec bridge car park. Take the path on the left of the car park, after a slightly steep start, follow the path on your right which runs along the Nant Sec torrent. The path crosses a first torrent, joins an intersection (sign altitude 1400m). Continue on the right towards the Grenairon refuge.
Coach parking.
- IGN maps: 3530 ET - 3630 OT