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Routes
Mountain hikes & routes
France
Auvergne Rhône Alpes
Grenoble
Saint-Christophe-Sur-Guiers

Ruchère Pass – Petit Som loop from Chartreuse Regional Nature Park

Routes
Mountain hikes & routes
France
Auvergne Rhône Alpes
Grenoble
Saint-Christophe-Sur-Guiers

Ruchère Pass – Petit Som loop from Chartreuse Regional Nature Park

Hard

5.0

(1)

4

hikers

Ruchère Pass – Petit Som loop from Chartreuse Regional Nature Park

03:36

9.00km

610m

Mountaineering

Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: August 3, 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 3.78 km for 67 m

Waypoints

A

Start point

Bus stop

Get Directions
1

2.73 km

Ruchère Pass

Highlight • Mountain Pass

Also worth the climb if you do not continue to the Petit Som or the Grand Som. The view down the valley of Saint-Bruno, with the Charmant Som at the opposite side is pretty good.

Tip by

2

3.34 km

Sous le Petit Som (1530m)

Highlight • Other

3

3.95 km

Petit Som

Highlight • Summit

Magnificent summit above the Col de la Ruchère, offering you one of the most beautiful panoramas of the Chartreuse.

Translated by Google •

Tip by

4

4.26 km

Col de Léchaud (1,704 m)

Highlight • Other

B

9.00 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

3.27 km

2.78 km

1.49 km

1.40 km

Surfaces

6.05 km

1.49 km

1.40 km

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Monday 12 October

17°C

6°C

0 %

Additional weather tips

Max wind speed: 8.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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