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Bike touring routes & trails

France

Bourgogne-Franche-Comté

Avallon

Annay-Sur-Serein

Fosse Dionne – Tonnerre loop from Annay-sur-Serein

Routes

Bike touring routes & trails

France

Bourgogne-Franche-Comté

Avallon

Annay-Sur-Serein

Fosse Dionne – Tonnerre loop from Annay-sur-Serein

Moderate

4.4

(5)

riders

Fosse Dionne – Tonnerre loop from Annay-sur-Serein

03:24

53.5km

440m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 18, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 17.8 km for 82 m

Waypoints

Start point

Parking

Get Directions

4.96 km

Jouancy Village

Highlight • Settlement

This village is worth the detour....laundry

Translated by Google •

Tip by

17.9 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 origin of the very creation of the city. It is fed mainly by the infiltration of rain in the neighboring limestone plateau. The Dionne pit is remarkable for its flow rate with an average of 300 liters per second. Its underground network extends to more than 40 kilometers, and we still do not know its depth. Access to the source is free. For your stay in Tonnerre, I suggest the excellent hotel-restaurant l'Abbaye Saint Michel which nicknames itself "stage boudoir".

Translated by Google •

Tip by

18.0 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 plateau as well as by the losses of at least one river. The Dionne pit is remarkable for its flow and the size of its hydrogeological network which extends to more than 40 km.

His presence is at the origin of the creation of the city of Tonnerre. An elaborate washhouse was built around the spring in the 18th century.
Wikipedia

Translated by Google •

Tip by

19.2 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 and its garden of medicinal plants, the vineyard hillsides producing in particular Bourgogne Epineuil.

Translated by Google •

Tip by

19.9 km

Towpath of the Canal de Bourgogne

Highlight (Segment) • Trail

Along the Canal de Bourgogne are still the historic locks including the Schleusnerhouses preserved.

Translated by Google •

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28.5 km

Canal de Bourgogne at Tanlay

Highlight • River

Small village are small port is the opportunity to eat with a good pizza or local products in the Picoche grocery store. I recommend the parsley and the gougères hum. The Château de Tanlay is also worth a detour.

Translated by Google •

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31.8 km

Riverbank at Saint-Vinnemer

Highlight • River

38.9 km

Lock 85 - Lezinnes

Highlight • Other

Set up for the section of the canal opened to traffic in 1832 (from Pont-de-Pany to Tonnerre). Located on the right bank, the lock keeper's house is built of coated rubble stones, with mechanical tiles. A lean-to extension extends the right side of the roof of the house. Extremely remodeled, the house today opens through a semi-circular door, in the extension.

Translated by Google •

Tip by

53.5 km

End point

Parking

Way Types & Surfaces

Way Types

35.4 km

11.3 km

6.13 km

452 m

228 m

< 100 m

Surfaces

39.7 km

12.6 km

720 m

391 m

193 m

< 100 m

Elevation

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

Highest point (280 m)

Lowest point (140 m)

Weather

Wednesday 22 July

26°C

13°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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Fosse Dionne – Tonnerre loop from Annay-sur-Serein

Jouancy Village

Fosse Dionne and the town of Tonnerre

Fosse Dionne

Tonnerre

Towpath of the Canal de Bourgogne

Canal de Bourgogne at Tanlay

Riverbank at Saint-Vinnemer

Lock 85 - Lezinnes

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