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Col de Porte (1326 m) – Granier Pass loop from Saint-Ismier

Col de Porte (1326 m) – Granier Pass loop from Saint-Ismier

Hard

4.3

(4)

346

riders

Col de Porte (1326 m) – Granier Pass loop from Saint-Ismier

05:57

92.9km

2,550m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Last updated: May 12, 2026

Tips

Includes a segment in which cycling is not permitted

After 56.1 km for 68 m

Waypoints

Start point

Get Directions

5.58 km

Viewpoint

8.56 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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12.4 km

Le Sappey-en-Chartreuse Village Church

Highlight • Religious Site

Le Sappey-en-Chartreuse is nestled at the foot of Chamechaude, the highest point in the Chartreuse region at 2,082 meters above sea level. Peaceful and authentic, the village offers a wide range of sports activities, including summer and winter activities.

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14.5 km

Palaquit Pass

Highlight • Mountain Pass

The Col de Palaquit is located at an altitude of 1,154 meters. It is a must-see on the road to the Col de Porte located further north.

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17.0 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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30.0 km

Col du Cucheron

Highlight • Mountain Pass

Saint-Pierre-d'Entremont side, magnificent view of the North Chartreuse.

Relatively short climb from Saint-Pierre-de-Chartreuse.

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37.2 km

Saint-Pierre-d'Entremont Village

Highlight • Settlement

The right village to get supplies in the middle of the Chartreuse. Bars, bakeries, and blueberry pies!

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40.2 km

Gorges du Cozon

Highlight (Segment) • Other

The road crosses here beautiful gorges, in a rocky landscape and a pleasant atmosphere of freshness.

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47.0 km

Granier Pass

Highlight • Mountain Pass

A classic. Once at the pass, either continue in the Chartreuse massif or go down in the vineyards of Apremont and around Lake Saint-André.

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56.0 km

Château de Bellecombe

Castle

92.9 km

End point

Way Types & Surfaces

Way Types

74.2 km

9.04 km

6.90 km

1.58 km

837 m

342 m

< 100 m

Surfaces

91.1 km

1.14 km

473 m

192 m

< 100 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 (230 m)

Weather

Monday 18 May

16°C

3°C

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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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Col de Porte (1326 m) – Granier Pass loop from Saint-Ismier

Vence Pass

Le Sappey-en-Chartreuse Village Church

Palaquit Pass

Col de Porte (1326 m)

Col du Cucheron

Saint-Pierre-d'Entremont Village

Gorges du Cozon

Granier Pass

Nearby routes

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