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France

Finistère

Canal De Nantes a Brest – Saint-Algon Lock loop from Châteaulin-Embranchement

Routes

Bike touring routes & trails

France

Finistère

Canal De Nantes a Brest – Saint-Algon Lock loop from Châteaulin-Embranchement

Moderate

4.5

(41)

232

riders

Canal De Nantes a Brest – Saint-Algon Lock loop from Châteaulin-Embranchement

04:06

70.2km

350m

Cycling

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: June 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional d'Armorique

Waypoints

Start point

Train Station

Get Directions

10.3 km

Pen ar Pont Lock and Its Island

Highlight • Bridge

23.5 km

Canal De Nantes a Brest

Highlight • Other

Nice to ride on the cycle paths along the canal. Very quiet and beautiful.

Translated by Google •

Tip by

23.7 km

Coblant Bridge

Highlight • Bridge

good ride for riding

Translated by Google •

Tip by

24.9 km

Like the many locks on the Nantes-Brest canal, the Saint-Algon lock has long allowed boats to transport goods from one city to another. Today, the lock house is only the breath of a memory of this river period.

Translated by Google •

Tip by

27.2 km

Canal de Nantes à Brest

Lake

29.8 km

Old barge of the Canal de Nantes à Brest

Highlight • Monument

Former barge of the Nantes to Brest canal

Translated by Google •

Tip by

29.9 km

Châteaulin Lock House and Canal

Highlight (Segment) • Structure

Apparently, they're in the process of repairing/restoring the locks.
The water level was lowered for this purpose.

This was the case in June 2024 - @Lydie attached a picture showing …

Translated by Google •

Tip by

35.3 km

Ty Tri Deo

Highlight • Settlement

69.1 km

Châteaulin

Highlight • Settlement

Châteaulin is a "bridge town", that is to say that it owes its economic activity and its creation to the last bridge which was located over the Aulne. It is …

Translated by Google •

Tip by

70.2 km

End point

Train Station

Way Types & Surfaces

Way Types

60.3 km

6.46 km

1.79 km

1.02 km

387 m

229 m

< 100 m

Surfaces

69.0 km

876 m

198 m

117 m

< 100 m

Elevation

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

Weather

Tuesday 30 June

23°C

14°C

15 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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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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Canal De Nantes a Brest – Saint-Algon Lock loop from Châteaulin-Embranchement

Pen ar Pont Lock and Its Island

Canal De Nantes a Brest

Coblant Bridge

Saint-Algon Lock

Old barge of the Canal de Nantes à Brest

Châteaulin Lock House and Canal

Ty Tri Deo

Châteaulin

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