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Routes
Road cycling routes
France
Manche
Avranches
Sourdeval

La Grande Cascade de Mortain – Fosse Arthour loop from Sourdeval

Routes
Road cycling routes
France
Manche
Avranches
Sourdeval

La Grande Cascade de Mortain – Fosse Arthour loop from Sourdeval

Hard

3

riders

La Grande Cascade de Mortain – Fosse Arthour loop from Sourdeval

05:32

105km

1,490m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is right next to a parking lot.

Last updated: April 11, 2026

Tips

Cycling is not permitted along parts of this route

After 35.6 km for 71 m

After 37.3 km for 135 m

Waypoints

A

Start point

Parking

Get Directions

1

4.47 km

Viewpoint of Beauficel

Highlight • Viewpoint

This belvedere offers a magnificent panorama over the Sée valley. But beware, it has to be earned: wherever you come from, you will have to go up!

Translated by Google •

Tip by

2

35.6 km

La Grande Cascade de Mortain

Highlight • Waterfall

The Grande Cascade, the largest in the West with its 25-meter drop!

Translated by Google •

Tip by

3

37.4 km

Viewpoint at Rocher Brulé

Highlight • Viewpoint

4

66.3 km

Barenton church

Highlight • Other

Church from the 17th century. Not always open for visits

Tip by

5

74.6 km

Pretty little lake

Highlight • Other

6

75.0 km

Fosse Arthour

Highlight • Gorge

70 meters deep, this gorge has many attractions. On the heights, you will find a superb panorama as well as a Calvary marking the highest point of the ridge. In the rocks, two legendary caves symbolize the chambers of King Arthur and Queen Guinevere, hence the name Arthur Pit (Arthur). Below, the river having dug the gorge, the Sonce, is transformed into a waterfall. An artificial pond that was created to regulate the flow is also nearby. Not to mention the inn on the site, ideal for regaining strength after strolling around the site: aubergedelafossearthour.com

Translated by Google •

Tip by

7

75.1 km

Sonce Stream

Highlight • River

B

105 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

100 km

2.00 km

1.26 km

980 m

418 m

339 m

Surfaces

80.7 km

22.6 km

961 m

789 m

277 m

101 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 (360 m)

Lowest point (80 m)

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Weather

Powered by Foreca

Sunday 24 May

32°C

18°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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