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Old Port of La Roche-Bernard – Port Tréhiguier loop from L'Isle de Ker Olivier

Routes

Mountain biking trails

Old Port of La Roche-Bernard – Port Tréhiguier loop from L'Isle de Ker Olivier

Moderate

4.5

(2)

riders

Old Port of La Roche-Bernard – Port Tréhiguier loop from L'Isle de Ker Olivier

03:14

48.2km

360m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 21, 2026

Tips

Includes a segment in which cycling is not permitted

After 42.1 km for 86 m

Waypoints

Start point

Bus stop

Get Directions

22.0 km

Villaine Valley

Highlight • River

Very nice passage despite the luggage on our gravels. A beautiful trail.

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24.8 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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27.3 km

Étier de Ran Coet

Highlight • Trail

This route of about 34 kilometers is very interesting and amazing, but also demanding on physical condition and technicality, but I recommend it for those who like MTB Cross country.

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41.9 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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42.0 km

Port Tréhiguier

Highlight • Structure

Small charming harbor overlooking the Vilaine estuary. Some very nice restaurants and bars for a mid-term coffee or to fill your cans!

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42.2 km

Tréhiguier Lighthouse

Highlight • Monument

Adjoining its port, the Tréhiguier lighthouse is a former semaphore, erected in 1880 then closed in 1989. Today, it is open to the public during the summer and hosts numerous …

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48.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

21.5 km

17.6 km

4.40 km

3.08 km

1.63 km

< 100 m

Surfaces

23.3 km

9.52 km

7.44 km

5.54 km

2.23 km

207 m

Elevation

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

Weather

Thursday 21 May

29°C

13°C

0 %

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 – Port Tréhiguier loop from L'Isle de Ker Olivier

Villaine Valley

Old Port of La Roche-Bernard

Étier de Ran Coet

The annex at the Port of Tréhiguier

Port Tréhiguier

Tréhiguier Lighthouse

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