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Routes
Mountain biking trails
France
Brittany
Dinan
Saint-Cast-Le-Guildo

Moulin de la Mer Ruins loop from La Garde

Moderate

4.7

(3)

6

riders

Moulin de la Mer Ruins loop from La Garde

02:33

37.1km

390m

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: October 22, 2025

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Tips

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

You may need to carry your bike.

4 m in total

Waypoints

A

Start point

Bus stop

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1

26.2 km

Historic Washhouse at La Baie de la Fresnaye

Highlight • Historical Site

Longer trail with breaks. The trail goes through to St. Cast

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2

28.4 km

Moulin de la Mer Ruins

Highlight • Historical Site

Ruins of a historic mill that was fed by the Ru de Matignon. The mill is not only a popular hiking destination, but can also be easily incorporated into a …

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3

30.0 km

This ravine is also recommended by the VTT-22 and is an idyllic downhill passage in a ravine.

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4

30.3 km

Relaxed path with no significant gradient.

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5

30.8 km

Trail in the Ru de Matignon valley

Highlight (Segment) • Other

Nice path that can sometimes have wet spots after rainfall

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6

31.6 km

Varied path along the stream with some sights, such as the Guerches de Matignon, a Celtic complex. The ground can be a bit soft in some places.

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B

37.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

21.9 km

7.86 km

4.09 km

1.52 km

1.37 km

360 m

Surfaces

12.4 km

11.7 km

8.86 km

2.57 km

1.52 km

< 100 m

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Elevation

Elevation

Highest point (90 m)

Lowest point (0 m)

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Weather

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Today

Monday 24 November

10°C

9°C

70 %

If you start your activity now...

Max wind speed: 27.0 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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