Formerly called Fort de la Cluse (which means close in old French), this impressive military site was significantly remodeled in 1830. It was in fact during this period that the remains of the old fortified castle of the lords of Gex which dated from the 13th century to build a more modern fort. It is now a military museum open for tours.

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Marc FRIES

January 7, 2023

Hiking

The hike is very pleasant for the view and the variety of landscapes. The unevenness, fairly constant, does not pose any particular difficulty.
In sunny weather or with the morning mists, it's a treat!

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Julian

March 31, 2021

Hiking

bring lots of cold drinks, the walk upto the second fort is steep

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Best routes near Fort l'Écluse

4.7

(7)

hikers

1. Fort l'Écluse to the banks of the Rhône

17.4km

05:30

670m

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Hard

4.1

(7)

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2. Fort l'Écluse – View of Léaz loop from Fort l'Écluse

11.2km

03:41

500m

510m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

4.3

(8)

hikers

3. Forest Path Along the Stream – Fort l'Écluse loop from Léaz

10.3km

03:28

490m

480m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Details

Informations

Elevation 620 m

Weather

Friday 13 March

6°C

-1°C

92 %

Additional weather tips

Max wind speed: 7.0 km/h

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Take Me There

Location: Léaz, Gex, Auvergne Rhône Alpes, France

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Fort l'Écluse

1. Fort l'Écluse to the banks of the Rhône

2. Fort l'Écluse – View of Léaz loop from Fort l'Écluse

3. Forest Path Along the Stream – Fort l'Écluse loop from Léaz

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