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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Annecy
La Balme-De-Thuy

Plaine du Fier

Easy

4.8

(6)

39

riders

Plaine du Fier

01:23

12.4km

80m

Mountain biking

This trail, accessible to all, invites you to discover an alpine river with a rich flora and fauna. A true biological corridor, the Fier flows at the bottom of a majestic glacial valley bordered by the Glières Massif, the Cruet, and the Dents de Lanfon.

The Fier plain can be reached from several parking lots, all easily accessible, particularly from the departmental road between Thônes and Dingy-Saint-Clair. Here, at the start of the route, you'll discover the first waterfall on the trail. Following the river, you'll cross several footbridges.

All along the trail, various viewpoints invite contemplation, with numerous possible breaks for a picnic or a swim. Between the forest, river, and mountains, nature lovers will be amazed.

by

Last updated: May 13, 2025

Waypoints

A

Start point

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1

5 m

Cascade de la Route

Highlight • Waterfall

Nowadays more like a pipeline, but sometimes it still babbles

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2

5.68 km

Route de la Praz Gravel Path

Highlight • Trail

This trail offers a lovely alternative to the main road that connects Dingy-Saint-Clair to Thônes. Slightly above the Fier River, it alternates between open areas and undergrowth.

Translated by Google •

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3

6.64 km

Fier River banks

Highlight • River

By straying for a moment from the main path, you can discover this small beach on the banks of the Fier. This river, a tributary of the Rhône, boasts a rich and varied natural environment along its banks.

Translated by Google •

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B

12.4 km

End point

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Way Types & Surfaces

Way Types

6.04 km

5.93 km

469 m

Surfaces

9.97 km

2.27 km

201 m

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Elevation

Elevation

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

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Weather

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Sunday 12 July

34°C

19°C

12 %

Additional weather tips

Max wind speed: 6.0 km/h

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Comments

March 28, 2025

This trail, accessible to all, invites you to discover an alpine river with a rich flora and fauna. A true biological corridor, the Fier flows at the bottom of a majestic glacial valley bordered by the Glières Massif, the Cruet, and the Dents de Lanfon.



The Fier plain can be reached from several parking

Translated by Google •

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