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France

Brittany

Cascade Lock – Tresklé Lock loop from Pontivy

Routes

France

Brittany

Cascade Lock – Tresklé Lock loop from Pontivy

Moderate

4.4

(5)

riders

Cascade Lock – Tresklé Lock loop from Pontivy

02:00

38.7km

180m

Gravel riding

Moderate gravel ride. 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

Train Station

Get Directions

2.72 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 …

Tip by

8.28 km

Chapel of Our Lady of the Carmelites

Highlight • Other

The Nantes to Brest canal for nature lovers and safety if accompanied by children is a must, on its entire route.

Translated by Google •

Tip by

13.0 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

Tip by

17.0 km

Tresklé Lock

Highlight • Bridge

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

Translated by Google •

Tip by

21.9 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!

Translated by Google •

Tip by

25.9 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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31.0 km

Porzo Lock on the Nantes-Brest Canal

Highlight • Structure

33.8 km

Guernal lock on the Nantes-Brest canal

Highlight • Other

The Guernal lock is located in the town of Neulliac. It was built around the 1800s and is accompanied by several buildings (houses, stores, bridges over locks) whose restoration has not been completed.

Translated by Google •

Tip by

38.7 km

End point

Train Station

Way Types & Surfaces

Way Types

18.7 km

10.4 km

6.77 km

2.44 km

368 m

Surfaces

16.1 km

14.1 km

6.27 km

2.32 km

Elevation

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

Weather

Tuesday 25 August

24°C

16°C

58 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

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Cascade Lock – Tresklé Lock loop from Pontivy

Cascade Lock

Chapel of Our Lady of the Carmelites

Aquinian Lock on the Nantes–Brest Canal

Tresklé Lock

Poulhibet lock - Canal de Nantes à Brest

Stumo lock on the Nantes-Brest canal

Porzo Lock on the Nantes-Brest Canal

Guernal lock on the Nantes-Brest canal

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