Aux Sources du Trail
ITRA
118.31 km 7857 m 7872 m
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19/06/2026
Mountain Lake Loop route
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Passages
Samoëns (74) Samoëns (74)
map
Waytypes
1%
8%
42%
49%
Effort kilometer
Longest ascent
Longest descent
196
1230 m
1960 m
Max. elevation
Min. elevation
Quality index
2401 m
685 m
1pt/8m
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Track created by Ultra-Trail® du Haut-Giffre
le 2025/09/17
Start
Distance
0 km
Altitude
703 m
D+
0 m
D-
0 m
21:30
19.9 km 1438 m 462 m
Joux Plane
Distance
19.9 km
Altitude
1680 m
D+
1438 m
D-
462 m
01:30
Authorized assistance
Food supply
11.7 km 921 m 954 m
Refuge de Golèse
Distance
31.7 km
Altitude
1646 m
D+
2359 m
D-
1416 m
Food supply
8.1 km 781 m 676 m
Refuge de Bostan
Distance
39.7 km
Altitude
1747 m
D+
3140 m
D-
2092 m
Food supply
11.6 km 232 m 1277 m
Vallon
Distance
51.3 km
Altitude
705 m
D+
3372 m
D-
3369 m
10:30
Authorized assistance
Shuttle
Food supply
12.6 km 877 m 827 m
Sixt
Distance
64 km
Altitude
758 m
D+
4249 m
D-
4196 m
14:00
Authorized assistance
Food supply
14.2 km 1563 m 373 m
Refuge du Grenairon
Distance
78.1 km
Altitude
1949 m
D+
5812 m
D-
4569 m
Water
5.1 km 0 m 879 m
Distance
83.2 km
Altitude
1064 m
D+
5812 m
D-
5448 m
20:00
3.6 km 334 m 36 m
Refuge des Fonts
Distance
86.9 km
Altitude
1365 m
D+
6146 m
D-
5484 m
Food supply
6.1 km 687 m 245 m
Refuge Alfred Wills
Distance
93 km
Altitude
1805 m
D+
6833 m
D-
5729 m
Water
15 km 984 m 1251 m
Gers
Distance
107.9 km
Altitude
1536 m
D+
7817 m
D-
6980 m
Food supply
10.4 km 40 m 892 m
Finish
Distance
118.3 km
Altitude
688 m
D+
7857 m
D-
7872 m
10:30
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