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Road cycling routes

France

Bourgogne-Franche-Comté

Saint-Claude

Viry

Dog's Leap – Lac de Lamoura loop from Sous le Rosay

Routes

Road cycling routes

France

Bourgogne-Franche-Comté

Saint-Claude

Viry

Dog's Leap – Lac de Lamoura loop from Sous le Rosay

Hard

riders

Dog's Leap – Lac de Lamoura loop from Sous le Rosay

04:30

78.5km

1,840m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: July 25, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 34.0 km for 103 m

Waypoints

Start point

Bus stop

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12.7 km

Col de la Croix de Serra

Highlight • Mountain Pass

Small Jura pass between the Bienne valley with Saint-Claude and the Semine valley with Saint-Germain-de-Joux. Quiet road D124.
More information: quaeldich.de/paesse/col-de-la-croix-de-serra

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32.4 km

Dog's Leap

Highlight • Natural Monument

From this vantage point, the view extends to the distant horizon. The geology is visible amid the greenery.

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34.6 km

Viewpoint - The Gendarme's Hat

Highlight • Other

The Chapeau de Gendarme, located in the Jura department, is a distinctive rock formation resembling a gendarme's hat. Rising majestically from the landscape, it provides a unique and iconic landmark.

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40.2 km

Lake Lamoura is the highest in the Jura. Located at the foot of the Massacre forest, in a preserved natural setting, the lake offers exceptional flora. Peat bogs, aquatic moss, meadows, in short, it's magnificent! Games for children and a picnic area have been set up at the edge of the lake and swimming is permitted there.

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