Tresklé Lock – Brittany wall loop from Saint-Molvan

Bike touring routes & trails

Tresklé Lock – Brittany wall loop from Saint-Molvan

Hard

4.8

(18)

riders

Tresklé Lock – Brittany wall loop from Saint-Molvan

04:15

65.3km

610m

Cycling

Hard bike 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: August 25, 2026

Waypoints

Start point

Bus stop

Get Directions

8.27 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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9.25 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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12.2 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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17.9 km

Guerlédan Lock - Nantes to Brest Canal

Highlight • Monument

Last locks before reaching the barrage

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28.2 km

Saint-Gelven station

Highlight • Structure

Abandoned train station with some lost places charm along the rail-to-trail Voie Verte.

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41.0 km

Brittany wall

Highlight • Settlement

Famous finish line of the Tour de France. Despite everything not very pleasant with a large road and sometimes traffic

Translated by Google •

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51.4 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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55.1 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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65.3 km

End point

Bus stop

Way Types & Surfaces

Way Types