For very good hikers or mountainers, long ascend. 2 and 3 level.
Start point, Haute rua d'Escreins 1784 m.
Use a large path at the right side of Rif Bel (small river) After the valley is becomming less large (2050m), use the path at the left side of the river and continue in the small valley. (3h ascend on path).
Mid point, Basis of a couloir, 2850 m The couloir is full of not stable rocks. That's why it's better to climb this early in the season when some snow is in the couloir ( 35° - 40° ).
To summit Fon Sancte 3387m : Navigate on rocks, 2h30 needed to climb couloir and to go to summit.
Total time for ascend: 5h30 for 1603 Hm. Its recommended to start very early to avoid hot snow (if there is snow in the couloir).
Return on the same route.
It's possible to do a very nice 3 or 4 days hiking tour arround the mountain.
Guillestre >> 7 km on Col de Vars road D902 >> Val d'Escreins road to Haute rua d'Escreins 1784 m (old village)