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

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

Hard

4.5

(4)

riders

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

06:25

117km

890m

Gravel riding

Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is accessible with public transport.

Last updated: June 27, 2026

Waypoints

Start point

Bus stop

Get Directions

25.1 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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40.5 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!

Translated by Google •

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44.2 km

Guerlédan Lock - Nantes to Brest Canal

Highlight • Monument

Last locks before reaching the barrage

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59.0 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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64.0 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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67.6 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.

Translated by Google •

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82.9 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 •

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84.3 km

Étang de Trébel

Lake

85.5 km

The Glomel Cut

Highlight (Segment) • Monument

This passage is the highest point of the canal. It was necessary to dig three million cubic meters of earth and rock to make the canal pass: as much as …

Translated by Google •

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117 km

End point

Bus stop

Way Types & Surfaces

Way Types

73.3 km

36.0 km

3.24 km

2.14 km

2.00 km

< 100 m

Surfaces

69.7 km

20.7 km

20.5 km

5.30 km

526 m

Elevation

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

Highest point (240 m)

Lowest point (50 m)

Weather

Saturday 11 July

34°C

19°C

0 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

Comments

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

Cascade Lock

Poulhibet lock - Canal de Nantes à Brest

Guerlédan Lock - Nantes to Brest Canal

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

The Glomel Cut

Nearby routes

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