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Hiking trails & Routes
France
Auvergne Rhône Alpes
Gex
Collonges

Fort l'Écluse loop from Collonges

Hard

3.7

(3)

7

hikers

Fort l'Écluse loop from Collonges

04:28

9.97km

720m

Hiking

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: July 16, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 2.68 km for 1.58 km

Waypoints

A

Start point

Parking

Get Directions

1

2.25 km

View of the Rhône in the Fort l'Écluse Gorge

Highlight • Viewpoint

2

2.57 km

After the climb, superb views of the Rhône from the fortifications

Translated by Google •

Tip by

3

2.62 km

Fort l'Écluse

Highlight • Castle

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 …

Translated by Google •

Tip by

B

9.97 km

End point

Parking

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Way Types & Surfaces

Way Types

3.59 km

2.47 km

1.91 km

1.71 km

271 m

Surfaces

5.50 km

1.71 km

1.71 km

786 m

241 m

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Elevation

Elevation

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

Highest point (1,120 m)

Lowest point (490 m)

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Weather

Powered by Foreca

Tuesday 21 July

24°C

9°C

-- %

Additional weather tips

Max wind speed: -- km/h

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