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: March 24, 2026

Waypoints

Start point

Bus stop

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18.1 km

Double écluse de Coat Natous

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18.5 km

Locks on the Canal

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closely followed one another come the locks!

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22.7 km

Plélauff lock on the Nantes–Brest Canal

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One of the many locks on the canal near the village of Pléalauff. Just after, the bridge allowing you to cross the canal and reach the wash house. All on the Vélodyssée route.

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26.3 km

Gouarec Lock on the Nantes–Brest Canal

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Between the Lac de Guerlédan and the double lock of Coat Natous in its section of the Côtes d´Armor, the Canal from Nantes to Brest is navigable upstream of the …

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28.4 km

Le Roc'h loop, Blavet Valley, Nantes to Brest Canal

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With the geomorphological uprising of the Brittany mass, the Blavet River cut its bed deep into the ancient rocks, leaving just enough space for a beautiful secluded bike trail, too windy for a road.

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30.1 km

Lots of shade and a beautiful view.

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On this section of the bike path we will definitely find respite on a hot day.

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31.3 km

Lock No. 138 of Bon Repos

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The 18th century canal lock has been shaped like a medieval bridge fitting to the old Abby, with a hostel in the old canal keeper's house, and a café on the opposite side from the Abby.

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36.3 km

Saint-Gelven station

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Abandoned train station with some lost places charm along the rail-to-trail Voie Verte.

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53.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

44.3 km

6.40 km

2.31 km

414 m

307 m

Surfaces

42.1 km

6.62 km

2.61 km

2.35 km

< 100 m

Elevation

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

Highest point (230 m)

Lowest point (130 m)

Weather

Saturday 18 April

16°C

4°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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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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Double écluse de Coat Natous – Lock No. 138 of Bon Repos loop from Plouguernével

Double écluse de Coat Natous

Locks on the Canal

Plélauff lock on the Nantes–Brest Canal

Gouarec Lock on the Nantes–Brest Canal

Le Roc'h loop, Blavet Valley, Nantes to Brest Canal

Lots of shade and a beautiful view.

Lock No. 138 of Bon Repos

Saint-Gelven station

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