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Hermance – Sionnet Marsh Boardwalk loop from Chêne-Bourg

Hermance – Sionnet Marsh Boardwalk loop from Chêne-Bourg

Hard

4.0

(2)

23

riders

Hermance – Sionnet Marsh Boardwalk loop from Chêne-Bourg

05:05

75.7km

670m

Gravel riding

Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is accessible with public transport.

Last updated: April 17, 2026

Waypoints

A

Start point

Train Station

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1

15.4 km

View of Le Salève

Highlight • Viewpoint

2

16.1 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 …

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3

31.3 km

Boisy singletrack

Highlight (Segment) • Trail

Incredible, a must do!

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37.3 km

Domaine de Guidou

Nature Reserve

5

37.8 km

Trail Bois de Verney

Highlight • Other

I was surprised by this section, it's a narrow single trail

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6

59.5 km

Hermance

Highlight • Settlement

Nestled between Lake Geneva and the Hermance river, this small village has kept everything of its old character. A real pleasure to stroll in its small alleys, to admire its …

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7

64.8 km

Route with a beautiful panorama

Highlight (Segment) • Viewpoint

From here you have a great view over the vines of Lake Geneva and the Jura in the background.

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8

69.6 km

Sionnet Marsh Boardwalk

Highlight • Trail

Impressive moorland landscape along the La Seymaz

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9

69.8 km

Sionnet Marsh

Highlight • Natural

A small bog area near Geneva. Pastures, bog grass and small ponds create an idyll that you can cross wonderfully by bike.

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B

75.7 km

End point

Train Station

Way Types & Surfaces

Way Types

41.0 km

17.3 km

9.01 km

4.90 km

3.47 km

Surfaces

36.8 km

21.2 km

13.3 km

4.18 km

193 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 (730 m)

Lowest point (380 m)

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Weather

Powered by Foreca

Friday 22 May

29°C

12°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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