Thurignin Gorges – Plans d'Hotonnes Station loop from Hotonnes

Mountain biking trails

Thurignin Gorges – Plans d'Hotonnes Station loop from Hotonnes

Hard

riders

Thurignin Gorges – Plans d'Hotonnes Station loop from Hotonnes

08:59

92.4km

2,510m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: September 25, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 13.1 km for 240 m

Closed: • October(End)-April(Beginning) (otherwise open)

After 19.8 km for 3.53 km

Closed: • November-April

After 33.0 km for 808 m

Closed: • November-April

Waypoints

Start point

Parking

Get Directions

20.7 km

Col du Grand Colombier

Mountain Pass

26.1 km

Panoramic View of Grand Colombier, Culoz, and Lac du Bourget

Highlight • Viewpoint

From here we enjoy a superb view of the Grand Colombier and Culoz. You can even see Lake Bourget when the weather is nice.

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26.3 km

View of the Rhône Valley from Le Grand Colombier via GR9

Highlight (Segment) • Viewpoint

You like good big climbs: go for it!

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32.5 km

Viewpoint

48.0 km

Groin Spring

Highlight • River

easily accessible by a forest road.

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48.8 km

A spring rising from the cliff

Highlight • Other

This source is remarkable because it appears in the middle of a small cliff. It is partly captured to supply a basin.

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48.8 km

Chapel of Adoue and Fountain

Highlight • Religious Site

Small chapel dating from 1670 near a fountain, the end of the Roman aqueduct which crosses the village of Vieu and crosses this small cliff. Very beautiful viewpoint towards the south nearby.

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51.8 km

Thurignin Gorges

Highlight • River

These gorges are particularly fascinating when the water flow is significant. My recommendation is to come and admire this jewel of Ain in spring, when the snow melts.

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64.9 km

Col de la Clye

Mountain Pass

91.9 km

Monument to the Maquis of Plans d'Hotonnes

Highlight • Other

Stele paying tribute to the Resistance fighters who took to the Maquis on the Plateau de Retord during the Second World War. Several information panels on the history of the Resistance fighters near the various farms occupied at the time.

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92.0 km

Plans d'Hotonnes Station

Highlight • Rest Area

This human-sized resort offers many activities available all year round. It is the starting point for VTT, Gravel and hiking circuits. It also has a biathlon stadium usable in summer …

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92.4 km

End point

Parking

Way Types & Surfaces

Way Types