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Routes
Bike touring routes & trails
France
Brittany
Rennes
Gaël

View of Lac au Duc – Duke's Lake loop from Gaël

Routes
Bike touring routes & trails
France
Brittany
Rennes
Gaël

View of Lac au Duc – Duke's Lake loop from Gaël

Hard

4.6

(5)

36

riders

View of Lac au Duc – Duke's Lake loop from Gaël

05:30

93.3km

480m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 10, 2026

Tips

Includes a segment in which cycling is not permitted

After 31.2 km for 81 m

Waypoints

A

Start point

Bus stop

Get Directions

1

27.7 km

View of Lac au Duc

Highlight • Lake

It is one of the largest lakes in Brittany with a length of 5.5 kilometers and a width of between 500 and 900 meters depending on the location. Lake Ploërmel …

Translated by Google •

Tip by

30.1 km

Lac au Duc

Lake

3

31.2 km

Duke's Lake

Highlight • Lake

4

33.4 km

Dukes' Lake

Highlight • Other

perfect stopover for hikers at the campsite with swimming in the lake.

Translated by Google •

Tip by

5

43.6 km

Former railway bridge over the Nantes–Brest Canal

Highlight • Bridge

Nice crossing of two long-distance cycle routes: the Vélodyssée coastal route which runs along the Nantes to Brest canal and the track between Saint-Malo and Rhuys which takes the old railway bridge.

Translated by Google •

Tip by

6

44.3 km

Le Roc-Saint-André

Highlight • Settlement

Quaint village with an ancient church on a hill overlooking a bend in the river & Canal de Nantes à Brest.

Tip by

7

44.3 km

Nantes–Brest Canal - Oust Quay

Highlight • Other

Domaine du Roc campsite

Translated by Google •

Tip by

8

53.0 km

Montertelot Lock

Highlight • Structure

Chapel of an old monastery right next to the canal and a small park to rest or camp at night

Translated by Google •

Tip by

9

60.6 km

Voie verte 👍

Highlight (Segment) • Other

Super developed cycle path, it couldn't be better 👍

Translated by Google •

Tip by

B

93.3 km

End point

Bus stop

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Way Types & Surfaces

Way Types

66.7 km

23.0 km

1.36 km

1.25 km

1.04 km

< 100 m

Surfaces

85.8 km

3.30 km

3.05 km

819 m

481 m

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Elevation

Elevation

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

Highest point (110 m)

Lowest point (20 m)

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Weather

Powered by Foreca

Saturday 23 May

31°C

14°C

-- %

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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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