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: January 25, 2026

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Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 175 m for 2 m

After 36.3 km for 2 m

Waypoints

Start point

Train Station

Get Directions

4.19 km

View of the Pont-Réan mill

Highlight • Other

When you come from Rennes, the mill of Pont-Réan announces the bridge that you will have to cross to continue on the towpath towards the lock of Boël.

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4.45 km

Pont-Réan

Highlight • Bridge

A must-see on the Vilaine towpath, Pont-Rean connects the towns of Guichen and Bruz
Bakery, restaurant, butcher, water point in the immediate vicinity

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5.72 km

La Vilaine

Lake

7.26 km

Le Boël in late winter

Highlight • Other

Beautiful view and great spot for a walk!

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17.6 km

La Réauté Castle

Highlight • Castle

Not much to see from the road because of the perimeter wall but the buildings look great

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23.5 km

Moulin de la Bouëxière

Highlight • Monument

The Bouëxière mill dates from 1471, although it has undergone many transformations over time. In 1879, it was notably converted into a flour mill.

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25.3 km

A well-hidden tunnel

Highlight • Other

Tunnel allowing passage under the railway line, almost invisible when driving on the towpath
Note the Bourdalouë benchmark
geodesie.ign.fr/index.php?page=reperes_de_nivellement

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29.3 km

Boël Mill

Highlight • Monument

Le Boël is one of the emblematic sites of the Vilaine valley.

Essential place for walks or bike rides (mountain biking, road or gravel, there is something for everyone) and …

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36.4 km

End point

Train Station

Way Types & Surfaces

Way Types

19.0 km

12.6 km

2.69 km

1.48 km

519 m

186 m

Surfaces

29.1 km

4.44 km

2.35 km

234 m

206 m

< 100 m

Elevation

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

Highest point (110 m)

Lowest point (10 m)

Weather

Monday 9 March

13°C

7°C

36 %

Additional weather tips

Max wind speed: 18.0 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.

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View of the Pont-Réan mill

Pont-Réan

Le Boël in late winter

La Réauté Castle

Moulin de la Bouëxière

A well-hidden tunnel

Boël Mill

Nearby routes

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