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Routes
Mountain biking trails
France
Pays de la Loire
Saint-Nazaire
Savenay

Mabille Valley Lake – Mabille Valley Lake loop from Savenay

Routes
Mountain biking trails
France
Pays de la Loire
Saint-Nazaire
Savenay

Mabille Valley Lake – Mabille Valley Lake loop from Savenay

Moderate

6

riders

Mabille Valley Lake – Mabille Valley Lake loop from Savenay

03:02

42.6km

330m

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: June 19, 2026

Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 2.76 km for 15 m

After 42.6 km for 10 m

After 42.7 km for 8 m

Waypoints

A

Start point

Train Station

Get Directions

1

623 m

Savenay

Highlight • Settlement

On the edge of the Loire estuary, the small town of Savenay makes an excellent base camp for exploring the Brière regional natural park (PNR) which it borders. In its …

Translated by Google •

Tip by

2

2.64 km

Lac de Savenay

Highlight • Lake

This lake is otherwise called the Mabille valley lake. It is an artificial lake.

Access to the leisure center is free. The activities offered here are: picnic on the bank, play areas for the youngest, fishing.

Translated by Google •

Tip by

3

2.68 km

Mabille Valley Lake

Highlight • Other

The Lac de la Vallée Mabille, or Lac de Savenay, is a beautiful artificial reservoir that is worth a detour. By bike, you can easily go around the southern part …

Translated by Google •

Tip by

4

5.11 km

5

12.9 km

34.0 km

Bois de la Glinais

Forest

7

39.9 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 …

Translated by Google •

Tip by

8

40.1 km

View of the Countryside

Highlight • Viewpoint

B

42.6 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

18.1 km

12.2 km

7.43 km

2.54 km

2.37 km

Surfaces

16.3 km

14.8 km

6.56 km

3.46 km

1.54 km

< 100 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 (20 m)

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Weather

Powered by Foreca

Wednesday 15 July

32°C

19°C

-- %

Additional weather tips

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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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