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Gorges du Guiers Mort – Col de Porte (1326 m) loop from Brignoud

Gorges du Guiers Mort – Col de Porte (1326 m) loop from Brignoud

Hard

4.5

(26)

744

riders

Gorges du Guiers Mort – Col de Porte (1326 m) loop from Brignoud

05:03

94.3km

1,720m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 26, 2026

Tips

Includes a segment in which cycling is not permitted

After 35.0 km for 62 m

Waypoints

Start point

Train Station

Get Directions

35.1 km

Château de Siéyès

Castle

40.5 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.

Translated by Google •

Tip by

56.3 km

Gorges du Guiers Mort

Highlight • Gorge

Beautiful winding and rolling descent from Saint-Pierre-de-Chartreuse. Not to mention the freshness.

Translated by Google •

Tip by

59.4 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 …

Translated by Google •

Tip by

60.3 km

View of Chamechaude

Highlight • Other

Junction to Porte or to Cucheron. Beautiful views.

Showing Translation

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68.6 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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71.0 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.

Translated by Google •

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73.1 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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77.0 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 …

Translated by Google •

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80.0 km

Viewpoint

94.3 km

End point

Train Station

Way Types & Surfaces

Way Types

48.2 km

33.0 km

10.5 km

2.29 km

237 m

130 m

< 100 m

Surfaces

92.2 km

1.78 km

302 m

127 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 (190 m)

Weather

Wednesday 2 September

31°C

14°C

0 %

Additional weather tips

Max wind speed: 5.0 km/h

to get more detailed weather forecasts along your route

Comments

August 4, 2024,Placette Porte

Departure 7:30 a.m. to join Adrien in St Lau.
Relaxed climb to the Col de Porte with a break ☕ at Raph&Vero.
Didn't even notice the almost flat tire at the top (valve torn off 😓). Change of room and chill out.
With Adrien between St Lau and the Col de Porte.

Showing Translation

August 13, 2022,Col de la Placette, Col de Porte - depuis Fontaine

After the fire of August 5th, a desolate spectacle above Malossane, on the road to the Col de la Placette...

Showing Translation

April 29, 2023,Placette -> Porte. Position validey 🌧🚀

Saddle height / advance adjustment with small onions 🧅
Test outing to the col de la placette, St Laurent du Pont, St Pierre and the col de porte in random weather.
Big sensations on the climbs (removing 2kg that should help), it rolls up just as well on the flat and all while having the impression of being on air …

Showing Translation

September 2, 2025,Placette Porte en chillance

Gravel tires because I couldn't be bothered to change them...
Maximum speed at 258 km/h, I wasn't in good shape.

Showing Translation

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Gorges du Guiers Mort – Col de Porte (1326 m) loop from Brignoud

Placette Pass

Gorges du Guiers Mort

Enclos Gate

View of Chamechaude

Col de Porte (1326 m)

Palaquit Pass

Le Sappey-en-Chartreuse Village Church

Vence Pass

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