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Cascade Lock – Lock No. 138 of Bon Repos loop from Cléguérec

Cascade Lock – Lock No. 138 of Bon Repos loop from Cléguérec

Hard

5.0

(1)

riders

Cascade Lock – Lock No. 138 of Bon Repos loop from Cléguérec

07:42

146km

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 accessible with public transport.

Last updated: May 14, 2026

Waypoints

Start point

Bus stop

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17.6 km

Locks 79 to 87 - Around Saint-Gérand

Highlight (Segment) • Other

Sequence of nine locks, seven of which are very close to each other. Boat traffic must have been very slow on this section…

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29.5 km

Cascade Lock

Highlight • Bridge

Just before arriving in Pontivy the river Blavet crashes down a wide cascade, while the canal is channelled left through a lock. Pedestrians and bikers can cross the narrow metal …

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41.1 km

Stumo lock on the Nantes-Brest canal

Highlight • Other

The locks at this location with the keeper's house midstream were probably also serving as a mill to harness the water power from the main Blavet river channel.

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44.9 km

Poulhibet lock - Canal de Nantes à Brest

Highlight • Other

NB: This lock is equipped with public dry toilets and a mechanical repair station for self-service bicycles, pump, tools, frame rack, etc. In addition, the beverage dispenser also contains spare inner tubes!

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58.5 km

Lock No. 138 of Bon Repos

Highlight • Bridge

The 18th century canal lock has been shaped like a medieval bridge fitting to the old Abby, with a hostel in the old canal keeper's house, and a café on the opposite side from the Abby.

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63.5 km

Gouarec Lock on the Nantes–Brest Canal

Highlight • Structure

Between the Lac de Guerlédan and the double lock of Coat Natous in its section of the Côtes d´Armor, the Canal from Nantes to Brest is navigable upstream of the …

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67.1 km

Plélauff lock on the Nantes–Brest Canal

Highlight • Other

One of the many locks on the canal near the village of Pléalauff. Just after, the bridge allowing you to cross the canal and reach the wash house. All on the Vélodyssée route.

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82.5 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.

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114 km

Étang de Trébel

Lake

146 km

End point

Bus stop

Way Types & Surfaces

Way Types

78.0 km

47.3 km

15.9 km

3.39 km

1.21 km

Surfaces

74.9 km

55.2 km

11.4 km

4.19 km

< 100 m

Elevation

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

Highest point (260 m)

Lowest point (50 m)

Weather

Wednesday 20 May

24°C

9°C

0 %

Additional weather tips

Max wind speed: 13.0 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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Cascade Lock – Lock No. 138 of Bon Repos loop from Cléguérec

Locks 79 to 87 - Around Saint-Gérand

Cascade Lock

Stumo lock on the Nantes-Brest canal

Poulhibet lock - Canal de Nantes à Brest

Lock No. 138 of Bon Repos

Gouarec Lock on the Nantes–Brest Canal

Plélauff lock on the Nantes–Brest Canal

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

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