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Mountain biking trails

Auvergne Rhône Alpes

Thonon-Les-Bains

Bons-En-Chablais

Prés Bordon Nature Reserve – Sionnet Marsh Boardwalk loop from Bons-en-Chablais

Mountain biking trails

Auvergne Rhône Alpes

Thonon-Les-Bains

Bons-En-Chablais

Prés Bordon Nature Reserve – Sionnet Marsh Boardwalk loop from Bons-en-Chablais

Moderate

3.7

(3)

22

riders

Prés Bordon Nature Reserve – Sionnet Marsh Boardwalk loop from Bons-en-Chablais

02:46

41.0km

310m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: August 26, 2026

Waypoints

A

Start point

Train Station

1

8.82 km

Prés Bordon Nature Reserve

Highlight • Natural

The Prés Bordon protected site is a rich forest wetland, with diverse bodies of water and thriving riparian vegetation. Closely connected to other natural sites in the surrounding area, it …

Translated by Google •

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2

9.58 km

View of Le Salève

Highlight • Viewpoint

3

13.5 km

Vineyards of Gy, Jussy, and Choulex

Highlight • Natural

Gy a small wine-growing village on the French border

Translated by Google •

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4

15.4 km

Meinier Walnut Tree

Highlight • Natural Monument

(The walnut tree will be behind the church)

The largest and oldest walnut tree in Switzerland. planted in 1863.
meinier.ch/environnement-developpement/environnement/noyer-centenaire

Translated by Google •

Tip by

5

17.3 km

Sionnet Marsh Boardwalk

Highlight • Trail

pretty here, very pretty

Showing Translation

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6

20.2 km

Fountain

Highlight • Rest Area

Fountain to fill water bottles in case of extreme heat 👌🏻👍🏻

Translated by Google •

Tip by

7

22.9 km

View of the Voirons from Geneva

Highlight • Viewpoint

8

24.9 km

Drinking Water Fountain

Highlight • Rest Area

Important, if nothing else fits.

Showing Translation

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B

41.0 km

End point

Train Station

Way Types & Surfaces

Way Types

17.2 km

14.9 km

5.42 km

2.54 km

1.00 km

< 100 m

Surfaces

15.0 km

10.4 km

8.84 km

5.94 km

927 m

< 100 m

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Elevation

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

Highest point (570 m)

Lowest point (430 m)

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Weather

Powered by Foreca

Wednesday 7 October

12°C

7°C

99 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

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