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Kerdiston lake loop from Langonnet

Kerdiston lake loop from Langonnet

Hard

riders

Kerdiston lake loop from Langonnet

07:14

134km

1,070m

Gravel riding

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

Last updated: August 24, 2026

Waypoints

Start point

Parking

Get Directions

39.3 km

Greenway from Roscoff to Concarneau.

Highlight • Other

Very beautiful route, winding in the depths of Brittany, using the canals and old railroads for a crossing of Finistère.

Translated by Google •

Tip by

51.1 km

Greenway, former Guiscriff station

Highlight • Cycleway

As proof that the greenway from Roscoff to Concarneau is established on a former strategic commercial and tourist route. here you will find a museum and some explanations.

Translated by Google •

Tip by

68.3 km

Bois de Conveau

Forest

72.0 km

Greenway V7 between Concarneau and Roscoff

Highlight • Cycleway

85.4 km

Pont Daoulaz lock on the Nantes-Brest canal

Highlight • Bridge

Manual lock, although the guardian's house seems to be given to someone private.

Translated by Google •

Tip by

89.4 km

Kerhun Lock No. 191 on the Nantes–Brest Canal

Highlight • Structure

Beautifully restored former lock guardian's house, now perhaps private.

Tip by

99.0 km

Minguen lock climbing, Canal Nantes à Brest

Highlight • Other

103 km

Kerdiston lake

Highlight • Lake

The dams for the Canal de Nantes à Brest create a lake from the waters of a little stream, the bike trail passes on the back of the levy

Tip by

104 km

Étang de Trébel

Lake

105 km

Path between two bodies of water on the Nantes-Brest Canal

Highlight • Trail

A stretch on the dam before the Trehu Moron dam.
The landscape is constantly changing. The canal meanders through the countryside here.
I love this landscape, and it's a good mood to drive here.

Translated by Google •

Tip by

134 km

End point

Parking

Way Types & Surfaces

Way Types

78.6 km

45.1 km

5.06 km

4.24 km

822 m

< 100 m

Surfaces

77.4 km

27.4 km

26.8 km

2.29 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (250 m)

Lowest point (80 m)

Weather

Thursday 3 September

22°C

14°C

23 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

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Kerdiston lake loop from Langonnet

Greenway from Roscoff to Concarneau.

Greenway, former Guiscriff station

Greenway V7 between Concarneau and Roscoff

Pont Daoulaz lock on the Nantes-Brest canal

Kerhun Lock No. 191 on the Nantes–Brest Canal

Minguen lock climbing, Canal Nantes à Brest

Kerdiston lake

Path between two bodies of water on the Nantes-Brest Canal

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