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Routes
Mountain biking trails
France
Pays de la Loire
Châteaubriant-Ancenis
Fay-De-Bretagne

Mabille Valley Lake – Super single, a little technical loop from Fay-de-Bretagne

Routes
Mountain biking trails
France
Pays de la Loire
Châteaubriant-Ancenis
Fay-De-Bretagne

Mabille Valley Lake – Super single, a little technical loop from Fay-de-Bretagne

Hard

4.0

(3)

118

riders

Mabille Valley Lake – Super single, a little technical loop from Fay-de-Bretagne

06:11

81.1km

810m

Mountain biking

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 22, 2026

Waypoints

A

Start point

Parking

Get Directions

1

7.10 km

Small bridge in the undergrowth

Highlight • Other

2

23.1 km

Beautiful descent

Highlight • Other

3

24.2 km

Cardio Climb

Highlight • Climb

4

50.5 km

GR3 to Lac de Savenay

Highlight (Segment) • Other

5

54.4 km

Far west

Highlight • Other

6

57.5 km

Mabille Valley Lake

Highlight • Lake

Lac de la Vallée Mabille, more commonly known as Lac de Savenay, is a beautiful body of water located at the eastern entrance to the town of Savenay. Artificial, the lake hosts many activities on its shores: a swimming pool, a campsite, a leisure park, a golf course and a hotel-restaurant.

Very famous among the locals, this little green setting is also a delight for long-distance hikers. Indeed, the iconic GR 3 meanders along its banks.

Translated by Google •

Tip by

7

57.7 km

View of the Countryside

Highlight • Viewpoint

58.2 km

Lac de la Vallée Mabile

Lake

9

62.7 km

68.0 km

Bois de la Glinais

Forest

B

81.1 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

32.3 km

26.7 km

17.7 km

3.42 km

770 m

182 m

Surfaces

45.2 km

21.1 km

8.94 km

3.34 km

1.59 km

908 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 (90 m)

Lowest point (0 m)

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Weather

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Today

Tuesday 23 June

42°C

23°C

1 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

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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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4.4

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Mabille Valley Lake – Creek Downhill/mountain loop from Savenay

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