Moderate bike 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: March 3, 2026

Download GPX

Save

Move start point

Edit route

Navigate

Send to Phone

Waypoints

Start point

Bus stop

Get Directions

19.1 km

Guerlédan Lock - Nantes to Brest Canal

Highlight • Monument

Last locks before reaching the barrage

Tip by

22.9 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

26.6 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.

Tip by

36.0 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

38.2 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

41.9 km

Towpath of the Nantes to Brest Canal

Highlight (Segment) • Trail

48.2 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 •

Tip by

55.1 km

Ville Pérot lock

Highlight • Other

65.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

24.2 km

21.3 km

17.7 km

1.20 km

588 m

Surfaces

38.1 km

21.2 km

5.10 km

588 m

107 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

Today

Thursday 5 March

12°C

8°C

90 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

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

Nearby routes

Hard

The V8 along the Blavet — loop from Pontivy

03:07h

49.4km

510m

Moderate

4.8

540

Cadoret Lock – Josselin Castle loop from Saint-Gérand

04:54h

80.6km

260m

Moderate

4.6

458

Canal de Nantes à Brest – Cascade Lock loop from Neulliac

02:18h

37.0km

150m

Hard

4.7

235

Cascade Lock – Bon-Repos Abbey loop from Séglien

05:09h

81.6km

570m

Hard

4.9

173

Bon-Repos Abbey – Lock No. 138 of Bon Repos loop from Bon Repos sur Blavet

03:25h

52.9km

350m

Moderate

4.7

263

Ècluse de Kervégan – Ville Pérot lock loop from Saint-Maudan

02:30h

38.5km

210m

Hard

4.9

181

Josselin Castle – Montertelot Lock loop from Pleugriffet

07:16h

118km

500m

Hard

4.7

234

Chemin de halage – Blavet River loop from St-Nicolas des Eaux

04:58h

84.4km

520m

Hard

4.9

205

Cascade Lock – Cadoret Lock loop from Loudéac

07:31h

125km

580m

Moderate

4.7

167

Cascade Lock – Ville Pérot lock loop from Saint-Caradec

04:01h

65.0km

450m

Moderate

4.8

446

Rohan – Cadoret Lock loop from Pleugriffet

04:37h

74.1km

380m

Hard

4.9

171

Cascade Lock – Lock No. 138 of Bon Repos loop from Langoëlan

09:56h

156km

1,060m

Cascade Lock – Ville Pérot lock loop from Saint-Caradec

Guerlédan Lock - Nantes to Brest Canal

Poulhibet lock - Canal de Nantes à Brest

Stumo lock on the Nantes-Brest canal

Guernal lock on the Nantes-Brest canal

Cascade Lock

Towpath of the Nantes to Brest Canal

Locks 79 to 87 - Around Saint-Gérand

Ville Pérot lock

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️