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Routes
Mountain biking trails
France
Brittany
Saint-Malo
Combourg

Combourg Castle – Dike at Étang de Boulet loop from Combourg

Routes
Mountain biking trails
France
Brittany
Saint-Malo
Combourg

Combourg Castle – Dike at Étang de Boulet loop from Combourg

Moderate

4.8

(4)

11

riders

Combourg Castle – Dike at Étang de Boulet loop from Combourg

03:47

53.0km

260m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: March 27, 2026

Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 36.0 km for 25 m

After 53.0 km for 12 m

Waypoints

A

Start point

Train Station

Get Directions

1

2.49 km

Combourg Castle

Highlight • Castle

Built between the twelfth and the fourteenth century, the Château de Combourg is a marvel. But what makes it really essential is the work of one of these illustrious occupants, …

Translated by Google •

Tip by

2

18.9 km

Chemin entre l'Herbage et la Croix

Highlight (Segment) • Other

3

26.9 km

Les Grands Vaux

Highlight • Other

Small bucolic path, be careful not very wide wooden footbridge

Translated by Google •

Tip by

4

31.2 km

Camp site, snack bar and beach make a good place to stop for rest on a bike ride. Less than 40 km from Rennes it's a good halfway point on a loop or on the way to the Mont Saint-Michel.

Tip by

5

32.3 km

Boulet Pond

Highlight • Lake

The Etang du Boulet is a Natura 2000 site and the largest lake in the department. It is an artificial pond created in 1828 to regulate the water supply during low water periods.

Translated by Google •

Tip by

6

33.5 km

Dike at Étang de Boulet

Highlight • Structure

Crossing the pond very fun!

Translated by Google •

Tip by

7

42.0 km

Trail along the Landehuan gully

Highlight (Segment) • Other

Very pleasant in good weather, rolling and sheltered by trees.

Translated by Google •

Tip by

8

48.8 km

Tréméheuc Wind Turbines

Highlight • Monument

a little bit windy

Translated by Google •

Tip by

B

53.0 km

End point

Train Station

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Way Types & Surfaces

Way Types

16.7 km

16.4 km

15.1 km

1.85 km

1.80 km

1.32 km

< 100 m

Surfaces

17.9 km

13.1 km

10.4 km

10.1 km

846 m

749 m

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Elevation

Elevation

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

Highest point (110 m)

Lowest point (40 m)

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Weather

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Sunday 17 May

16°C

7°C

-- %

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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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