Roc d'Enfer – Ratti Pass (1,905 m) loop from Praz de Lys Sommand
Roc d'Enfer – Ratti Pass (1,905 m) loop from Praz de Lys Sommand
4.9
(13)
92
hikers
Roc d'Enfer – Ratti Pass (1,905 m) loop from Praz de Lys Sommand
07:06
17.8km
1,030m
Hiking
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.
Last updated: May 9, 2026
Tips
Includes a segment that may be dangerous
A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
After 4.23 km for 1.76 km
Waypoints
Start point
Parking
Get Directions
2.58 km
Chalune Pass
Highlight • Mountain Pass
Tip by
2.88 km
Col du Foron
Highlight • Mountain Pass
4.14 km
Roc d'Enfer Ridge
Highlight (Segment) • Summit
Translated by Google •
Tip by
4.99 km
Roc d'Enfer
Highlight • Summit
Translated by Google •
Tip by
5.28 km
The Ridge Trail
Highlight (Segment) • Trail
Tip by
5.87 km
La Golette
Mountain Pass
6.85 km
Ratti Pass (1,905 m)
Highlight • Summit
Translated by Google •
Tip by
7.97 km
Col de la Basse
Highlight • Mountain Pass
Tip by
10.2 km
Col de l'Encrenaz
Mountain Pass
16.3 km
View of Alpine Meadows with Yellow Flowers
Highlight (Segment) • Viewpoint
17.8 km
End point
Parking
Way Types & Surfaces
Way Types
5.96 km
4.63 km
2.59 km
2.56 km
1.77 km
336 m
Surfaces
6.22 km
4.21 km
3.79 km
2.67 km
902 m
< 100 m
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Elevation
Highest point (2,150 m)
Lowest point (1,330 m)
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Weather
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Wednesday 27 May
26°C
12°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.