Routes

Planner

Features

Updates

App

Get the App

Routes

Mountain biking trails

Port of Bréca – Grande Brière marshes loop from Le Brunet

Routes

Mountain biking trails

Port of Bréca – Grande Brière marshes loop from Le Brunet

Moderate

4.7

(12)

riders

Port of Bréca – Grande Brière marshes loop from Le Brunet

02:26

36.1km

110m

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 15, 2026

Tips

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

You may need to carry your bike.

After 4.15 km for 13 m

Waypoints

Start point

Bus stop

Get Directions

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 …

Translated by Google •

Tip by

2.26 km

Grande Brière Marsh

Highlight • Other

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.

Translated by Google •

Tip by

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.

Translated by Google •

Tip by

6.95 km

Trail through the Grande Brière

Highlight • Trail

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

Translated by Google •

Tip by

17.0 km

Calvary on the heights of Sandun

Highlight • Other

19.5 km

Kerhinet Village

Highlight • Other

To have. It's nice and seems timeless.

Translated by Google •

Tip by

20.6 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.

Translated by Google •

Tip by

36.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.1 km

8.91 km

8.16 km

6.73 km

110 m

< 100 m

Surfaces

11.3 km

10.5 km

6.38 km

5.39 km

1.40 km

1.19 km

Elevation

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

Weather

Tuesday 19 May

19°C

12°C

0 %

Additional weather tips

Max wind speed: 15.0 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.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Nearby routes

Moderate

4.4

265

Mabille Valley Lake – Creek Downhill/mountain loop from Savenay

03:09h

39.3km

400m

Moderate

4.6

183

Villaine Valley – Morbihan Bridge loop from Nivillac

03:01h

38.8km

450m

Moderate

4.7

162

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

02:39h

34.9km

400m

Moderate

4.4

132

Bridge tour – Superb light loop from La Roche-Bernard

02:58h

36.1km

460m

Moderate

4.4

152

Chapel of St Second – Menhir du Bois Hoël loop from Pontchâteau

02:30h

38.6km

150m

Moderate

4.4

113

Bridge tour – Superb light loop from École primaire privée Sainte-Thérèse

02:21h

29.4km

310m

Moderate

4.7

151

Mabille Valley Lake – Mabille Valley Lake loop from Prinquiau

02:45h

36.4km

360m

Moderate

4.6

175

Le Guérandais – Pavillon Beach loop from La Turballe

02:43h

52.5km

170m

Moderate

4.5

110

Port de Folleux – Folleux technical course loop from Péaule

03:33h

42.9km

560m

Moderate

4.8

Old Port of La Roche-Bernard – Villaine Valley loop from Nivillac

03:01h

40.9km

390m

Moderate

4.8

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

03:40h

49.2km

460m

Moderate

4.6

Villaine Valley – Étier de Ran Coet loop from Quelnet

02:08h

27.8km

250m

Port of Bréca – Grande Brière marshes loop from Le Brunet

Port of Bréca

Grande Brière Marsh

Grande Brière marshes

Port de Tréhé

Trail through the Grande Brière

Calvary on the heights of Sandun

Kerhinet Village

Dolmens of Kerbourg

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️