Signposted Cycling routes

Col de Porte - mountain pass

A route through the Chartreuse range forests, largely through the impressive gorges of the Guiers Mort.

Starting from Saint-Laurent-du-Pont, take the the D520b to Saint-Pierre-de-Chartreuse then the D512 to Col de Porte.

Technical information

Cycle sports, Signposted Cycling routes

17 km

Trail type:
Go / roaming

Elevation gain:
977 m

Elevation drop:
96 m

Average gradient:
5 %

Terrain type:
Hard coating (tar, cement, flooring)

Type of waymarkers:
White and green signs for "Col de Porte"

Practical information

Free of charge

Contact details & information

Office de tourisme Coeur de Chartreuse

Getting here

  • 38380 Saint-Laurent-du-Pont

Opening times

From 01/05 to 31/10.
Subject to favorable weather.


Free access.


Information updated on 15/03/2021 by Isère Attractivité

Your itinerary

Col de Porte - mountain pass

38380 Saint-Laurent-du-Pont

Itinerary with Google Maps