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Colomby de Gex Summit – Grand Montrond loop from Les Sept Fontaines

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Hiking trails & Routes

Colomby de Gex Summit – Grand Montrond loop from Les Sept Fontaines

Hard

4.4

(8)

112

hikers

Colomby de Gex Summit – Grand Montrond loop from Les Sept Fontaines

10:07

28.9km

1,350m

Hiking

Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is accessible with public transport.

Last updated: June 22, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Haut-Jura

Waypoints

Start point

Bus stop

Get Directions

1.86 km

Moulin Pierre-Louis

Highlight • Structure

Recognition point in the valley. A number of easy trails start from here.

Translated by Google •

Tip by

6.12 km

The Loge refuge, located at an altitude of 1,436 meters, offers an atmosphere in the purest Jura tradition: rusticity, nature and conviviality. The refuge is guarded in summer and winter and offers a catering service for breakfast, lunch and dinner. Remember to book in advance.

Lovers of bivouacs, you can pitch the tent for a small fee of €5. You will find all the practical information on
paysdegex-montsjura.com/hebergement-collectif/refuge-de-la-loge

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Tip by

7.16 km

Crozet Pass

Highlight • Mountain Pass

The Col de Crozet connects Crozet and Lelex over the ridge of the Jura. From about 1000 meters above sea level from Crozet, the forest road turns into coarse gravel.

The Col de Crozet connects Crozet and Lelex over the ridge of the Jura. The paved forest road turns into a coarse gravel path above about 1000 meters of altitude coming from Crozet.

Translated by Google •

Tip by

11.2 km

Colomby de Gex Summit

Highlight • Summit

Colomby de Gex is a summit of the French Jura in the Ain which rises to 1688 meters of altitude. It is the 4th highest mountain in the Jura mountains.

Translated by Google •

Tip by

14.6 km

Grand Montrond

Highlight • Summit

The summit of Grand Montrond culminates at 1,614 meters above sea level. You can enjoy a 360-degree panoramic view that includes Lake Geneva and Mont Blanc.

Translated by Google •

Tip by

14.6 km

Mont Rond

Highlight • Other

You should bring sturdy, non-slip shoes and some experience with this type of terrain.

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Tip by

17.7 km

Rando Grand Montrond, Petit Montrond .

Highlight • Other

A very beautiful hike for all levels, with a slight climb at the beginning.
The Grand Montrond section is shadeless, so bring water.

Translated by Google •

Tip by

28.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

11.2 km

11.1 km

4.68 km

1.33 km

354 m

243 m

Surfaces

14.5 km

5.17 km

4.95 km

1.79 km

1.37 km

941 m

166 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,660 m)

Lowest point (860 m)

Weather

Friday 3 July

26°C

5°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

to get more detailed weather forecasts along your route

Comments

September 17, 2023,GTJ 14 Le Manon - Lélex

Today we are tackling one of the most beautiful but also most challenging hikes. The weather is kind to us, even though the visibility is somewhat limited, the sun can still be seen again and again. And today there is a big plus point, because we are hiking with reduced weight and reinforcements from two highly experienced alpine friends who …

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Colomby de Gex Summit – Grand Montrond loop from Les Sept Fontaines

Moulin Pierre-Louis

Refuge de la Loge

Crozet Pass

Colomby de Gex Summit

Grand Montrond

Mont Rond

Rando Grand Montrond, Petit Montrond .

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