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Routes
Road cycling routes
France
Pays de la Loire
Saint-Nazaire
Donges

The Blue Hole – Loire River Ferry loop from Donges

Routes
Road cycling routes
France
Pays de la Loire
Saint-Nazaire
Donges

The Blue Hole – Loire River Ferry loop from Donges

Hard

7

riders

The Blue Hole – Loire River Ferry loop from Donges

07:09

172km

640m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: March 30, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 38.9 km for 313 m

After 76.2 km for 98 m

Waypoints

A

Start point

Train Station

Get Directions

33.0 km

Étang de Bouzaire

Lake

2

37.4 km

White Heron in Parc Naturel Régional de Brière

Highlight • Natural

Superb marsh with birds..

Translated by Google •

Tip by

3

76.2 km

The Blue Hole

Highlight • Structure

Three old granite quarries, abandoned in 1980, which naturally filled with water to form beautiful blue ponds, popular with fishermen. Many of the cobblestones of Nantes and Nazaire streets come from this place.

Translated by Google •

Tip by

4

77.8 km

The Port House

Highlight • Cafe

This beautiful residence, which currently houses a crêperie, served as a model for the Maison dans la Loire, a work that can be seen in Couëron.
The small port in …

Translated by Google •

Tip by

5

105 km

Marais Audubon

Highlight • Natural

The Couëron marshes, known as the Audubon marshes, are part of the vast group of estuarine marshes located near the Loire and closely linked to its regime. They represent 13% …

Translated by Google •

Tip by

6

112 km

Loire River Ferry

Highlight • Bridge

Ferry to cross the Loire, accessible by bike

Translated by Google •

Tip by

7

122 km

Les Machines de l'Île de Nantes

Highlight • Monument

Always a wonderful friendly atmosphere around the elephant's exit. Not to mention its environment including the rides.

Translated by Google •

Tip by

8

124 km

View of the Loire

Highlight • Viewpoint

Beautiful view of the Loire from the bridge.

Translated by Google •

Tip by

9

125 km

Graslin Square

Highlight • Monument

Very beautiful square with its superb Graslin theatre, the district is worth visiting

Translated by Google •

Tip by

B

172 km

End point

Train Station

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Way Types & Surfaces

Way Types

129 km

32.0 km

7.52 km

2.69 km

833 m

236 m

< 100 m

Surfaces

141 km

30.7 km

386 m

290 m

113 m

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Elevation

Elevation

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

Highest point (60 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Friday 22 May

31°C

16°C

0 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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