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Routes
Mountain biking trails
France
Great East
Langres
Saints-Geosmes

Source of the Marne – Lake Mouche loop from Langres

Routes
Mountain biking trails
France
Great East
Langres
Saints-Geosmes

Source of the Marne – Lake Mouche loop from Langres

Moderate

5.0

(1)

1

riders

Source of the Marne – Lake Mouche loop from Langres

02:20

34.9km

440m

Mountain biking

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

Last updated: May 14, 2026

Waypoints

A

Start point

Parking

Get Directions

1

2.70 km

Source of the Marne

Highlight • Other

This is where the Marne, the longest tributary of the Seine, is born. It is a natural source located on the Langres plateau, in the commune of Saints-Geosmes. Protected by …

Translated by Google •

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2

19.8 km

Lake Mouche

Highlight • Lake

Lac de la Mouche is surrounded by forests and villages where you can admire views of the water and wildlife, as well as the impressive semi-viaduct dam that holds back …

Translated by Google •

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3

26.6 km

Petit Sault Tower

Highlight • Other

The elongated artillery tower (1517-1521) has thick walls and two vaulted rooms, connected by a staircase that follows the slope of the terrain. Open only in the evening for a guided tour with snacks.

Translated by Google •

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4

27.6 km

The Kiosk at Place Jeanne Mance

Highlight • Monument

Pretty square, with a small pond, a kiosk and the statue of Jeanne Mance (Langroise nurse who co-founded Montreal in the 17th century)

Translated by Google •

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5

29.3 km

View of Langres

Highlight • Viewpoint

Historical hilltop town with a very nice walk along the defensive walls. It is one of the largest walled cities in Europe.
A great stopover on our trip. We appreciated …

Tip by

6

32.9 km

A few mud puddles even in summer. Peace and quiet guaranteed. Best route to reach Corlée à la Liez as it is along the canal.

Translated by Google •

Tip by

B

34.9 km

End point

Parking

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Way Types & Surfaces

Way Types

16.4 km

13.2 km

3.80 km

653 m

574 m

282 m

< 100 m

Surfaces

17.9 km

9.51 km

3.57 km

2.64 km

1.19 km

126 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 (480 m)

Lowest point (340 m)

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Weather

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Today

Thursday 21 May

26°C

11°C

0 %

Additional weather tips

Max wind speed: 13.0 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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Nearby routes

Moderate

5.0

22

Tufière de Saint-Ciergues – Saint-Geosmes Village Center loop from Langres

03:01h

40.1km

570m

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