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: January 7, 2026

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Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 4.15 km for 13 m

After 4.57 km for 10 m

Waypoints

Start point

Bus stop

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1.91 km

Port of Bréca

Highlight • Natural Monument

I strongly advise against taking these trails before the summer!
We tested them on May 20. It was just awful!
You had to push our bikes in several places where …

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3.61 km

Grande Brière marshes

Highlight • Other

The Grande Brière is a vast expanse of marshland covering 6,700 hectares. Although it is difficult to access, its periphery is a beautiful playground to explore by mountain bike.

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4.58 km

Port de Tréhé

Highlight • Bridge

Port of Trehe. Nice place for villainous naps ... Or picnic according to the appetite ... Numerous catwalks full of charm along the brière. You have to get your muscles out to pass the bike.

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6.94 km

Trail through the Grande Brière

Highlight • Trail

Cows and horses in freedom ... Dirt road and adventure!

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9.19 km

Port of La Chaussée Neuve

Highlight • Structure

This small port, surrounded by greenery and shaded banks, offers an idyllic setting for a walk along the water or a break in the heart of nature. The moored boats …

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18.1 km

Calvary on the heights of Sandun

Highlight • Other

21.6 km

Dolmens of Kerbourg

Highlight • Historical Site

There are a total of two dolmens, the former still being recognizable as a passage grave. They are expected to date from about 4,000 BC. Very impressive! Nice is also the neighboring old windmill.

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23.0 km

Pont de Gras

Highlight • Bridge

The Pont de Gras is an old ford whose construction dates back to Gallo-Roman times. It allows you to cross the Mès between Kerbourg and Gras.

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38.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

11.3 km

9.69 km

9.15 km

7.92 km

< 100 m

Surfaces

12.5 km

10.3 km

6.88 km

5.33 km

1.94 km

1.21 km

Elevation

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

Weather

Wednesday 4 March

17°C

7°C

0 %

Additional weather tips

Max wind speed: 23.0 km/h

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

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Port of Bréca

Grande Brière marshes

Port de Tréhé

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Port of La Chaussée Neuve

Calvary on the heights of Sandun

Dolmens of Kerbourg

Pont de Gras

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