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Road cycling routes

Duke's Lake – View of Lac au Duc loop from Val d'Oust

Road cycling routes

Duke's Lake – View of Lac au Duc loop from Val d'Oust

Moderate

14

riders

Duke's Lake – View of Lac au Duc loop from Val d'Oust

01:17

29.8km

190m

Road cycling

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: August 24, 2026

Tips

Includes a segment in which cycling is not permitted

After 11.6 km for 82 m

Waypoints

A

Start point

Bus stop

1

756 m

Château de Crévy

Highlight • Castle

Well preserved palace set in a large manicured park along the canal

Tip by

2

1.93 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

3

11.6 km

Duke's Lake

Highlight • Lake

4

14.6 km

Le Lac au Duc

Highlight • Lake

5

14.7 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

6

28.0 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

B

29.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

25.5 km

3.09 km

671 m

328 m

191 m

< 100 m

Surfaces

28.2 km

1.13 km

437 m

< 100 m

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Elevation

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

Highest point (70 m)

Lowest point (20 m)

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Weather

Powered by Foreca

Tuesday 13 October

21°C

8°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

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