Col du Cucheron – Saint-Pierre-d'Entremont loop from Martinière

Bike touring routes & trails

France

Auvergne Rhône Alpes

Grenoble

Saint-Pierre-De-Chartreuse

Col du Cucheron – Saint-Pierre-d'Entremont loop from Martinière

Hard

4.8

(16)

235

riders

Col du Cucheron – Saint-Pierre-d'Entremont loop from Martinière

04:49

61.3km

1,750m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 11, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 19.5 km for 81 m

After 42.9 km for 109 m

Waypoints

Start point

Bus stop

Get Directions

6.31 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.

Translated by Google •

Tip by

14.6 km

Atypical and unmissable village in the Entremont valley, Saint-Pierre-d'Entremont has the particularity of being on the border between Savoie and Isère. The Guiers river marks the separation between the two …

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18.7 km

Gorges of the Guiers

Highlight (Segment) • Gorge

An impressive road that descends from Saint-Pierre d'Entremont towards Entre-deux-Guiers. There are several short tunnels, spectacular views of the gorge below and the mountains in front.

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25.7 km

Au long des grottes

Highlight (Segment) • Other

Small street, great views.

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28.3 km

Old Saint-Martin Bridge

Highlight • Bridge

Splendid gorges of Guiers Vif, to explore if you pass in the area! You can cross them thanks to a very nice little bridge. Nice discovery!

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37.0 km

Saint-Laurent-du-Pont Town Center

Highlight • Settlement

St Laurens du Pont is definitely worth a visit, with nice little shops and cafes

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42.2 km

Gorges of the Guiers Mort

Highlight (Segment) • Other

Particularly beautiful section of the road through the gorge

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54.8 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%.

Translated by Google •

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61.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

57.9 km

1.50 km

1.30 km

553 m

101 m

Surfaces

58.1 km

2.61 km

508 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 (390 m)

Weather

Wednesday 21 October

9°C

0°C

0 %

Additional weather tips

Max wind speed: 3.0 km/h

to get more detailed weather forecasts along your route

Comments

July 4, 2026,2026-29 Sommerreise Route de Grande Alpes: Entre-deux-Guiers Col du Cucheron Entre-deux-Guiers

Small round to finish, Cucheron I rode 12 years ago, but from Chambery, with 3 passes to Grenoble.
Today easier and more relaxed.
Initially Via Chartreuse, partly unpaved cycle path. Test on D520 for tomorrow. Upwards along Guiers Mort to Saint Pierre de Chartreuse. Great landscape. At the turn-off to Porte, a whole horde of flat-bar riders appeared again, between …

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