Tresklé Lock – Canal de Nantes à Brest loop from Guerlédan

Bike touring routes & trails

Tresklé Lock – Canal de Nantes à Brest loop from Guerlédan

Moderate

5.0

(3)

riders

Tresklé Lock – Canal de Nantes à Brest loop from Guerlédan

01:37

25.1km

150m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. The starting point of the route is right next to a parking lot.

Last updated: August 25, 2026

Waypoints

Start point

Parking

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2.98 km

Guerlédan Lock - Nantes to Brest Canal

Highlight • Monument

Last locks before reaching the barrage

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6.69 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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8.72 km

Tresklé Lock

Highlight • Bridge

Lock of the tresklé which allows to pass from one bank to the other

Translated by Google •

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10.6 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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11.7 km

Canal de Nantes à Brest

Highlight • Other

In sections between locks the Blavet River is almost left to it's natural wild state, though the invasive plants choking its flow probably can encroach faster due to the slower, regulated flow speed

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12.6 km

Aquinian Lock on the Nantes–Brest Canal

Highlight • Structure

The historic canal and the trail share the course of the Blavet, which was made navigable by a series of locks like this one next to the small community of Aquinian

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25.1 km

End point

Parking

Way Types & Surfaces

Way Types