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Brittany

Cascade Lock – View of Lake Guerlédan loop from Pontivy

Routes

Mountain biking trails

France

Brittany

Cascade Lock – View of Lake Guerlédan loop from Pontivy

Moderate

4.8

(8)

riders

Cascade Lock – View of Lake Guerlédan loop from Pontivy

02:42

46.6km

220m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 14, 2026

Waypoints

Start point

Train Station

Get Directions

1.41 km

Junction Basin of the Canals

Highlight • River

Here, the Blavet meets the Nantes-Brest canal.

It was Napoleon Bonaparte, then first consul, who decided on September 17, 1802 to channel the Blavet from Pontivy to Lorient. The project was titanic and lasted more than 30 years.

Translated by Google •

Tip by

3.08 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

5.33 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

8.13 km

Porzo Lock on the Nantes-Brest Canal

Highlight • Structure

12.7 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

23.5 km

View of Lake Guerlédan

Highlight • Viewpoint

A very nice climb before enjoying this grandiose panorama in clear weather, but the effort is definitely worth it.

Translated by Google •

Tip by

32.3 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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46.5 km

Pontivy

Highlight • Other

This beautiful water town, famous for its Château des Rohans, is located in Argoat. That is to say in the very center of the Breton peninsula. It is a city …

Translated by Google •

Tip by

46.6 km

End point

Train Station

Way Types & Surfaces

Way Types

35.8 km

6.97 km

1.93 km

1.08 km

922 m

Surfaces

34.3 km

8.90 km

2.12 km

936 m

483 m

Elevation

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

Highest point (170 m)

Lowest point (50 m)

Weather

Thursday 16 July

28°C

14°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Cascade Lock – View of Lake Guerlédan loop from Pontivy

Junction Basin of the Canals

Cascade Lock

Guernal lock on the Nantes-Brest canal

Porzo Lock on the Nantes-Brest Canal

Aquinian Lock on the Nantes–Brest Canal

View of Lake Guerlédan

Stumo lock on the Nantes-Brest canal

Pontivy

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