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Mountain biking trails

Pays de la Loire

Port of Bréca – Grande Brière marshes loop from Dolmen de Kerbourg A

Mountain biking trails

Pays de la Loire

Port of Bréca – Grande Brière marshes loop from Dolmen de Kerbourg A

Moderate

3.0

(2)

17

riders

Port of Bréca – Grande Brière marshes loop from Dolmen de Kerbourg A

03:45

59.2km

130m

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: May 12, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 6.25 km for 13 m

Waypoints

A

Start point

Bus stop

Get Directions

1

4.01 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 …

Translated by Google •

Tip by

2

5.71 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.

Translated by Google •

Tip by

3

6.68 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.

Translated by Google •

Tip by

4

9.05 km

Trail through the Grande Brière

Highlight • Trail

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

Translated by Google •

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5

11.3 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 …

Translated by Google •

Tip by

6

31.6 km

Rozé Locks

Highlight • Viewpoint

Beautiful lock to see at the picnic area of the port of Rozé in the Parc de la Brière.

Translated by Google •

Tip by

7

43.2 km

Les Prés d'en Haut

Highlight • Natural

GR3 - GR de Pays Tour de Brière

Translated by Google •

Tip by

8

49.0 km

Port de Brière

Highlight • River

Great little quiet corner of Brière! Ditto bivouac bikepacking!

Translated by Google •

Tip by

B

59.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

17.3 km

14.4 km

10.5 km

10.0 km

6.93 km

Surfaces

18.5 km

15.4 km

14.5 km

6.74 km

2.21 km

1.92 km

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Elevation

Elevation

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

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Weather

Powered by Foreca

Saturday 23 May

32°C

17°C

0 %

Additional weather tips

Max wind speed: 17.0 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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