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Site des Onze écluses – Ille-et-Rance Canal loop from Lourmais

Site des Onze écluses – Ille-et-Rance Canal loop from Lourmais

Hard

4.3

(3)

riders

Site des Onze écluses – Ille-et-Rance Canal loop from Lourmais

03:01

53.7km

360m

Gravel riding

Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is right next to a parking lot.

Last updated: July 23, 2026

Waypoints

Start point

Parking

Get Directions

21.0 km

Lock no. 31 - La Dialais

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Lock n°31 - La Dialais - Bazouges-sous-Hédé

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27.2 km

Site des Onze écluses

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A series of 11 locks over a little more than 2 kilometers, roughly one every 200 meters, allows boats to overcome a 27-meter difference in elevation. It's a veritable aquatic …

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30.8 km

Canal d'Ille-et-Rance

Lake

31.8 km

Construction of the Ille-et-Rance canal began in 1804, under Napoleon I and ended in 1832. The bulk of the work is concentrated on the 11 locks that connect two rivers. It connects the city of Rennes to that of Saint-Malo.

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33.4 km

Lock n°35 - La Gromillais

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Ecluse n°35 - La Gromillais - Québriac

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34.4 km

Gué Noëllan Lock (Lock No. 35)

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Lock n°35 - Gué Noëllan Lock - Québriac

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35.3 km

Lock No. 36 - Pont Houitte

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Lock n°36 - Houitte Bridge - Québriac

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42.6 km

Bois de Trémaudan

Forest

47.7 km

Combourg Castle

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Built between the twelfth and the fourteenth century, the Château de Combourg is a marvel. But what makes it really essential is the work of one of these illustrious occupants, …

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53.7 km

End point

Parking

Way Types & Surfaces

Way Types

32.4 km

16.4 km

2.47 km

2.26 km

240 m

< 100 m

Surfaces

23.7 km

11.3 km

11.2 km

7.32 km

208 m

Elevation

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

Highest point (120 m)

Lowest point (30 m)

Weather

Monday 27 July

32°C

11°C

0 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

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Site des Onze écluses – Ille-et-Rance Canal loop from Lourmais

Forest path along the canal

Lock no. 31 - La Dialais

Site des Onze écluses

Ille-et-Rance Canal

Lock n°35 - La Gromillais

Gué Noëllan Lock (Lock No. 35)

Lock No. 36 - Pont Houitte

Combourg Castle

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