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Gorges of the Guiers Mort – Col de Porte (1326 m) loop from Moirans

Routes

Bike touring routes & trails

Gorges of the Guiers Mort – Col de Porte (1326 m) loop from Moirans

Hard

4.0

(1)

riders

Gorges of the Guiers Mort – Col de Porte (1326 m) loop from Moirans

05:37

75.0km

1,600m

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: April 25, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 28.8 km for 109 m

Waypoints

Start point

Train Station

Get Directions

7.37 km

Col de la Croix Bayard

Mountain Pass

12.1 km

Gorges du Crossey

Highlight • Gorge

Magnificent gorges between the Massif de la Chartreuse and Voiron, contains a climbing spot!

Translated by Google •

Tip by

17.7 km

Espace naturel sensible des tourbières de l'Herrétang

Nature Reserve

18.7 km

Herrétang Peat Bogs Sensitive Natural Area

Highlight • Natural

be sure to take a look, the walk through the nature reserve is very worthwhile

Translated by Google •

Tip by

20.4 km

via chartreuse

Highlight • Cycleway

23.0 km

Saint-Laurent-du-Pont Town Center

Highlight • Settlement

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

Translated by Google •

Tip by

28.2 km

Gorges of the Guiers Mort

Highlight (Segment) • Other

Particularly beautiful section of the road through the gorge

Translated by Google •

Tip by

41.2 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 •

Tip by

43.7 km

Col de Palaquit

Mountain Pass

47.3 km

View of the Écoutoux Massif

Highlight • Viewpoint

The climb to Sarcenas from the Col de Clemencere towards the Col de Porte. Great view of Chartreuse, on a quiet, car-free road. The blocked road area passes without worries by bike.

Translated by Google •

Tip by

75.0 km

End point

Train Station

Way Types & Surfaces

Way Types

50.4 km

12.6 km

4.09 km

3.45 km

2.31 km

2.18 km

< 100 m

Surfaces

64.6 km

4.68 km

3.64 km

1.44 km

632 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

Friday 17 July

30°C

15°C

13 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

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Gorges of the Guiers Mort – Col de Porte (1326 m) loop from Moirans

Gorges du Crossey

Herrétang Peat Bogs Sensitive Natural Area

via chartreuse

Saint-Laurent-du-Pont Town Center

Gorges of the Guiers Mort

Col de Porte (1326 m)

View of the Écoutoux Massif

Nearby routes

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