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Col de Porte (1326 m) – Le Sappey-en-Chartreuse loop from Grenoble Universités - Gières

Routes

Mountain biking trails

Col de Porte (1326 m) – Le Sappey-en-Chartreuse loop from Grenoble Universités - Gières

Hard

5.0

(1)

riders

Col de Porte (1326 m) – Le Sappey-en-Chartreuse loop from Grenoble Universités - Gières

05:47

77.9km

1,520m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: June 22, 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 70.8 km for 245 m

Waypoints

Start point

Train Station

Get Directions

6.15 km

Bridge over the Isère

Highlight • Bridge

Nice little footbridge with a nice view of the river, the cable car and the fortress.

Translated by Google •

Tip by

24.7 km

La Roize

Lake

30.0 km

Placette Pass

Highlight • Mountain Pass

Small nice pass not too bad in the direction towards Voreppe. It allows the switch to the valley and an easy return to Grenoble. Please note that there may be road traffic.

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37.6 km

Herretang Canal and Herretang Peat Bogs

Highlight • Trail

Very peaceful walk on the Via Chartreuse from the gorges of Crossey to Entre-2-Guiers. I saw 1 passage under 30-40cm of water in June 2024 during the heavy rain episodes

Translated by Google •

Tip by

38.4 km

Herrétang Peatlands Observatory

Highlight • Viewpoint

A must see, break on Via Chartreuse.

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50.5 km

Enclos Gate

Highlight • Other

Porte de l'Enclos is located at the entrance to the village of Saint-Pierre-de-Chartreuse. There is the gate and the bridge of the Grand Logis located at the beginning of the …

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Tip by

59.1 km

Col de Porte (1326 m)

Highlight • Mountain Pass

The Col de Porte de Grenoble is 15 kilometers long with a total elevation gain of 1088 meters. The average slope is 7.2% with maximum slopes of 14.9%.

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Tip by

61.5 km

Col de Palaquit

Mountain Pass

62.8 km

Viewpoint

63.7 km

Le Sappey-en-Chartreuse

Highlight • Settlement

Beautiful village with a beautiful campsite

Translated by Google •

Tip by

67.5 km

Vence Pass

Highlight • Mountain Pass

One of the most accessible passes from Grenoble. There are three possible access points: via the Col de Porte road (very busy, you constantly smell diesel...), via the Clémencières road …

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75.5 km

Arboretum Robert Ruffier-Lanche

Forest

77.9 km

End point

Train Station

Way Types & Surfaces

Way Types

33.7 km

29.3 km

6.79 km

3.39 km

2.21 km

1.79 km

697 m

Surfaces

64.4 km

4.94 km

3.75 km

2.25 km

2.20 km

286 m

Elevation

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

Highest point (1,320 m)

Lowest point (190 m)

Weather

Sunday 12 July

37°C

18°C

1 %

Additional weather tips

Max wind speed: 10.0 km/h

to get more detailed weather forecasts along your route

Comments

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Col de Porte (1326 m) – Le Sappey-en-Chartreuse loop from Grenoble Universités - Gières

Bridge over the Isère

Placette Pass

Herretang Canal and Herretang Peat Bogs

Herrétang Peatlands Observatory

Enclos Gate

Col de Porte (1326 m)

Le Sappey-en-Chartreuse

Vence Pass

Nearby routes

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