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Brittany

Écluse de la Forêt – Cascade Lock loop from Pontivy

Routes

France

Brittany

Écluse de la Forêt – Cascade Lock loop from Pontivy

Moderate

riders

Écluse de la Forêt – Cascade Lock loop from Pontivy

03:32

60.8km

420m

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: May 14, 2026

Waypoints

Start point

Train Station

Get Directions

5.76 km

Étang du Val vert

Lake

17.4 km

Écluse de la Forêt

Highlight • Other

The Forêt lock is one of the many locks that balance the waters on the Nantes-Brest canal. It is named after the forest of Branguily forest which extends, at this location, on both sides of the canal.

Translated by Google •

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18.2 km

Ville Pérot lock

Highlight • Other

19.1 km

Kervezo lock on the Nantes-Brest canal

Highlight • Other

Ancient canal locks just before the confluence with the Rigole d'Hilvern. Both are accompanied by excellent tow-path bike trails. The Vélodyssée follows the Canal de Nantes à Brest.

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19.3 km

Hilvern Trench

Highlight • River

Just next to Louarnig Park, fully equipped area with 2 boxes to leave bikes safe at night, sanitary facilities with sink, WC and shower. Perfect place to fall asleep to the sound of the water

Translated by Google •

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33.2 km

Locks 79 to 87 - Around Saint-Gérand

Highlight (Segment) • Other

Sequence of nine locks, seven of which are very close to each other. Boat traffic must have been very slow on this section…

Translated by Google •

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38.1 km

Étangs du Roz

Lake

53.1 km

Porzo Lock on the Nantes-Brest Canal

Highlight • Structure

55.9 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 •

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58.1 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 walkway across the barrage and the locks to shortcut to the other side.

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60.8 km

End point

Train Station

Way Types & Surfaces

Way Types

22.4 km

21.5 km

9.51 km

4.75 km

2.69 km

Surfaces

24.6 km

13.1 km

12.1 km

10.2 km

803 m

Elevation

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

Highest point (150 m)

Lowest point (50 m)

Weather

Wednesday 8 July

34°C

13°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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Écluse de la Forêt – Cascade Lock loop from Pontivy

Écluse de la Forêt

Ville Pérot lock

Kervezo lock on the Nantes-Brest canal

Hilvern Trench

Locks 79 to 87 - Around Saint-Gérand

Porzo Lock on the Nantes-Brest Canal

Guernal lock on the Nantes-Brest canal

Cascade Lock

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