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Routes

Bike touring routes & trails

France

Pays de la Loire

Châteaubriant-Ancenis

Abbaretz

Port of Nort-sur-Erdre – View of Lake Vioreau loop from Abbaretz

Routes

Bike touring routes & trails

France

Pays de la Loire

Châteaubriant-Ancenis

Abbaretz

Port of Nort-sur-Erdre – View of Lake Vioreau loop from Abbaretz

Hard

riders

Port of Nort-sur-Erdre – View of Lake Vioreau loop from Abbaretz

05:37

92.0km

540m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 26, 2026

Tips

Includes a segment in which cycling is not permitted

After 45.2 km for 62 m

Waypoints

Start point

Train Station

Get Directions

17.3 km

Port Mulon Park and Castle

Highlight • Castle

19th century castle overlooking a large 15 hectare park, known for its rare species and for its music festival "La Nuit de l'Erdre". The path along the Erdre can be …

Translated by Google •

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18.3 km

Port of Nort-sur-Erdre

Highlight • Other

Also known as "the Basin," this small marina is the main attraction in Nort-sur-Erdre. Water sports are also available here. There are restrooms with a tap next to the harbor …

Translated by Google •

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30.2 km

Viewpoint over Joué-sur-Erdre

Highlight • Structure

From the bridge, you can enjoy a beautiful, unobstructed view of the Saint-Léger-de-Joué church, punctuated by the sound of the river. The bridge and washhouse date back to the 13th century.

Translated by Google •

Tip by

33.4 km

View of Lake Vioreau

Highlight • Viewpoint

Pleasant path, with some clear views of the lake.

Translated by Google •

Tip by

34.2 km

Vioreau Reservoir Dam

Highlight • Monument

The Vioreau reservoir is the main water supply reservoir for the Nantes-Brest canal. The dam was built in 1835.

Translated by Google •

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44.1 km

Abbaretz pond

Highlight • Other

Small pond in the middle of a recreation area. Several picnic tables. Unfortunately, I didn't see a single body of water. If the town hall is reading this...

Translated by Google •

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45.3 km

Abbaretz mine spoil tip

Highlight • Other

A truly amazing site. Bring a lock, as you have to leave your bike at the bottom of the steps.

Translated by Google •

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53.1 km

Étang de Gruelleau

Highlight • Lake

92.0 km

End point

Train Station

Way Types & Surfaces

Way Types

76.7 km

5.27 km

4.26 km

3.14 km

1.47 km

912 m

275 m

Surfaces

61.9 km

24.1 km

4.74 km

914 m

435 m

Elevation

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

Highest point (70 m)

Lowest point (0 m)

Weather

Wednesday 1 July

26°C

12°C

23 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

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Port of Nort-sur-Erdre – View of Lake Vioreau loop from Abbaretz

Port Mulon Park and Castle

Port of Nort-sur-Erdre

Viewpoint over Joué-sur-Erdre

View of Lake Vioreau

Vioreau Reservoir Dam

Abbaretz pond

Abbaretz mine spoil tip

Étang de Gruelleau

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