Tonnerre – Fosse Dionne loop from Germigny

Mountain biking trails

Tonnerre – Fosse Dionne loop from Germigny

Moderate

Tonnerre – Fosse Dionne loop from Germigny

03:29

51.9km

340m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is right next to a parking lot.

Last updated: July 30, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 27.5 km for 24 m

Waypoints

Start point

Parking

Get Directions

26.8 km

Tonnerre

Highlight • Settlement

Tonnerre is a small village with character nicknamed "La petite Venise bourguignonne". To see among others: the perpetual waters of the mysterious Fosse Dionne, the Saint-Pierre Church, the Hôtel Dieu …

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27.4 km

Fosse Dionne and the town of Tonnerre

Highlight • Historical Site

The Dionne pit is a karst spring known as the Vaucluse source. It is in fact a resurgence located in the city center of Tonnerre. His presence is at the …

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27.5 km

Fosse Dionne

Highlight • Natural Monument

The Dionne pit is a karst source called the Vauclusian source, located in the city center of Tonnerre. It is fed by the infiltration of precipitation into the surrounding limestone …

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28.7 km

Canal de Bourgogne

Highlight • River

The Burgundy Canal is 242 km long, it connects the Seine basin to the Rhône basin. Previously used for moving goods, but since the 1960s the canal has been used almost exclusively for recreational boating.

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29.3 km

Burgundy Canal

Highlight • Other

A long ribbon of water crossing the countryside for 242 kilometers: here is the Burgundy Canal, which connects the Yonne to the Saône and Migennes to Saint-Jean-de-Losne. For some, it …

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42.9 km