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Old Port of La Roche-Bernard – Arzal Dam loop from Nivillac

Routes

Bike touring routes & trails

Old Port of La Roche-Bernard – Arzal Dam loop from Nivillac

Hard

4.8

(5)

riders

Old Port of La Roche-Bernard – Arzal Dam loop from Nivillac

06:54

106km

730m

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: February 11, 2026

Waypoints

Start point

Bus stop

Get Directions

26.4 km

Towpath of the Nantes to Brest Canal

Highlight • Cycleway

Here you cycle on the old towpath along the Nantes-Brest canal. You can see swans floating on the water.

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31.2 km

Redon

Highlight • Settlement

Redon is a small historic town full of charm. It is located at the crossroads of the western waterways with the Nantes-Brest canal, and the Channel-Ocean link. The Grand’Rue is lined with elegant half-timbered houses.

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68.7 km

Old Port of La Roche-Bernard

Highlight • Settlement

The stones, weathered by time, and the steep alleyways tell the story of this "Small Town of Character," born of the sea and maritime trade. Clinging to the banks of …

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77.5 km

Pretty little road

Highlight • Other

Pleasant section of the Rance and Vilaine cycle route, between Vieille Roche and Keraudrain.

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79.8 km

Arzal Dam

Highlight • Monument

The Arzal dam is built on the Vilaine estuary between Arzal and Camoël. It is the largest estuary dam in Europe. It is 500 meters long and has a sea …

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87.5 km

The annex at the Port of Tréhiguier

Highlight • Other

It's a very nice place by the sea, with a wide choice of wines, beers and cocktails from all over the world. The café opens every day at 7:30 am …

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102 km

Port of La Roche-Bernard

Highlight (Segment) • Settlement

very pretty port with its atypical rocks and of course some pretty boats

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102 km

Cannon Viewpoint of La Roche-Bernard

Highlight • Viewpoint

Labeled a Small City of Character, La Roche-Bernard is full of stories, especially in the heart of its old quarter.

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106 km

End point

Bus stop

Way Types & Surfaces

Way Types

70.7 km

27.4 km

6.21 km

1.21 km

289 m

160 m

Surfaces

56.1 km

20.5 km

17.3 km

12.1 km

114 m

< 100 m

Elevation

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

Highest point (50 m)

Lowest point (0 m)

Weather

Monday 11 May

17°C

5°C

17 %

Additional weather tips

Max wind speed: 14.0 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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Old Port of La Roche-Bernard – Arzal Dam loop from Nivillac

Towpath of the Nantes to Brest Canal

Redon

Old Port of La Roche-Bernard

Pretty little road

Arzal Dam

The annex at the Port of Tréhiguier

Port of La Roche-Bernard

Cannon Viewpoint of La Roche-Bernard

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