Lock 11 — La Prée – Port of Blain loop from La Grigonnais
Lock 11 — La Prée – Port of Blain loop from La Grigonnais
2
riders
Lock 11 — La Prée – Port of Blain loop from La Grigonnais
02:44
49.8km
160m
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 15, 2026
Waypoints
Start point
Bus stop
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23.1 km
L'Isac dam on the Nantes-Brest canal
Highlight • Other
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24.2 km
View of the Isac dam and the Nantes-Brest canal from Bout du Bois
Highlight • Viewpoint
The surroundings are very quiet and with shade if necessary.
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27.4 km
Picnic Spot by the River
Highlight • Rest Area
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28.2 km
Canal de Nantes à Brest
Lake
31.5 km
Terrier Lock
Highlight • Other
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34.7 km
Lock 11 — La Prée
Highlight • Structure
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36.1 km
Blain 44
Highlight • Other
36.2 km
Port of Blain
Highlight • Rest Area
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36.3 km
Le Monkey Bike Bar
Highlight • Pub
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49.8 km
End point
Bus stop
Way Types & Surfaces
Way Types
24.7 km
14.4 km
5.03 km
3.58 km
1.92 km
285 m
Surfaces
22.0 km
9.21 km
9.16 km
8.91 km
545 m
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Elevation
Highest point (70 m)
Lowest point (10 m)
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Weather
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Thursday 21 May
32°C
12°C
0 %
Additional weather tips
Max wind speed: 13.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.