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Hiking trails & Routes

France

Bourgogne-Franche-Comté

Avallon

Tonnerre

Fosse Dionne – Notre-Dame Church loop from Tonnerre

Routes

Hiking trails & Routes

France

Bourgogne-Franche-Comté

Avallon

Tonnerre

Fosse Dionne – Notre-Dame Church loop from Tonnerre

Moderate

5.0

(2)

hikers

Fosse Dionne – Notre-Dame Church loop from Tonnerre

03:15

11.8km

200m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 26, 2026

Waypoints

Start point

Parking

Get Directions

518 m

Old Armançon Bridge

Highlight • Bridge

From the old stone bridge there is of course a beautiful view of the Armançon River. And a first look at the old town.

Translated by Google •

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897 m

The Hôtel-Dieu in Tonnerre is a medieval hospital. The building has been protected as a monument historique since 1862.
The Hôtel-Dieu was donated by Margaret of Burgundy and built from 1293 to 1295. The facility, known as the Hôpital Notre-Dame des Fontenilles, had space for 40 patients, although significantly more people were later accommodated. Marguerite de Bourgogne had a residential wing built next to it, called Le château (the castle), where she herself lived as a widow. Her body was buried in the chapel of the Hôtel-Dieu in 1308.

de.m.wikipedia.org/wiki/H%C3%B4tel-Dieu_(Tonnerre)

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1.32 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

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9.18 km

Notre-Dame Church

Highlight • Religious Site

Originally a simple oratory of a pilgrim's house, it became, over time, the main church of Tonnerre. In the 11th century, the Hôtel-Dieu Notre-Dame was a modest house welcoming pilgrims on the road to Saint-Jacques. It has a small chapel dedicated to Mary. Over the centuries, the oratory grew and gained in importance. It becomes parish priest, parish then deanery. It was in the 16th and 17th centuries that the monument took on the face we know of it with its high tower surmounted by the inscriptions "Jésus Maria Ave Gracia" and the initials CHC, for Charles Henri de Clermont, Count of Tonnerre and great patron.

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9.59 km

Saint Peter's Church

Highlight • Other

Church with many architectural facets, which initially was a simple chapel of the Saint-Aignan church at the time of the Old Castle. It was with the destruction of the upper town, on the Montbellant plateau, that Saint-Pierre became a parish. With its tall silhouette dominating the Armançon valley, it is one of Tonnerre's emblematic monuments. Built around the 11th century, the Saint-Pierre church was almost completely burned down by the devastating fire of 1556. Restoration work was slow and lasted from the end of the 16th century to the middle of the 17th century. This explains its very particular face mixing Italian Renaissance and classical style. It was during this same renovation campaign that its windows were adorned with stained glass, known as "grisaille", of which there are rare examples in France.

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9.89 km

Cinema and Town Hall

Highlight • Other

10.2 km

Mills' millrace

Highlight • Other

The Mühlengasse is a nice walking connection from the park with the train station there to the old town. A scenic view of the Mill Canal is included.

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10.6 km

Le Pâtis

Highlight • Other

This beautiful park with the historic fountain, which was closed in 2023 due to dilapidation, is also an arboraetum. Many different, very old trees are around here. Among other things, of course, a sequoia.

Translated by Google •

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11.8 km

End point

Parking

Way Types & Surfaces

Way Types

5.17 km

4.68 km

981 m

668 m

190 m

< 100 m

Surfaces

3.78 km

3.17 km

2.21 km

1.22 km

936 m

458 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

Today

Sunday 12 July

37°C

19°C

15 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

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Fosse Dionne – Notre-Dame Church loop from Tonnerre

Old Armançon Bridge

Hôtel-Dieu de Tonnerre

Fosse Dionne

Notre-Dame Church

Saint Peter's Church

Cinema and Town Hall

Mills' millrace

Le Pâtis

Nearby routes

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