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Road cycling routes

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

Road cycling routes

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

Hard

15

riders

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

05:02

83.0km

620m

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 right next to a parking lot.

Last updated: September 26, 2026

Tips

Includes movable bridges

Check opening times.

After 18.9 km for 164 m

After 28.2 km for 164 m

Waypoints

A

Start point

Parking

1

11.4 km

Chapel of Saint Anne of Armor

Highlight • Structure

superb St Anne's chapel, a stop is essential

Translated by Google •

Tip by

2

16.5 km

Passage through 3 departments

Highlight • Other

Starting from Missillac in Loire-Atlantique towards Morbihan via St Dolay and Rieux. Just to set a little sporting challenge, the famous Côte d'Aucfer, 900 meters of climbing at an average …

Showing Translation

Tip by

3

36.6 km

Virages over the Val

Highlight • Other

Signed up, from the place LE VAL, and you would dominate the VILAINE

Translated by Google •

Tip by

4

50.4 km

Saint Peter and Saint Paul Church

Highlight • Religious Site

Although the nave retains some older parts, the current church is a recent construction (1905).
Bakery opposite the church and toilets with water on its left side.

Showing Translation

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5

54.1 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 …

Translated by Google •

Tip by

6

67.1 km

Arzal Dam

Highlight • Monument

Built in 1970, the Arzal dam allows the regulation of the waters of the Vilaine and the storage of drinking water for the inhabitants of the region. Its construction allowed …

Translated by Google •

Tip by

68.4 km

La Vilaine

Lake

B

83.0 km

End point

Parking

Way Types & Surfaces

Way Types

63.7 km

8.32 km

5.96 km

2.28 km

1.90 km

986 m

Surfaces

55.3 km

16.6 km

9.61 km

1.49 km

132 m

< 100 m

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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

Monday 19 October

14°C

6°C

40 %

Additional weather tips

Max wind speed: 17.0 km/h

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