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Bike touring routes & trails

View of Lac au Duc – Entrance to the Val Sans Retour loop from Ploërmel

Bike touring routes & trails

View of Lac au Duc – Entrance to the Val Sans Retour loop from Ploërmel

Moderate

3.5

(2)

2

riders

View of Lac au Duc – Entrance to the Val Sans Retour loop from Ploërmel

01:52

30.5km

280m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 9, 2026

Waypoints

A

Start point

Parking

1

5.27 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

2

16.8 km

Entrance to the Val Sans Retour

Highlight • Gorge

beautiful place for a superb hike

Translated by Google •

Tip by

3

16.8 km

Brocéliande Forest

Highlight • Forest

It is in the magnificent forest of Brocéliande that the legend of King Arthur takes its source, between moors and ponds. Here is the wonderful world of the fairy Viviane, Merlin the enchanter and the knight Lancelot.

Translated by Google •

Tip by

4

17.5 km

Tour of Tréhorenteuc

Highlight • Historical Site

5

17.7 km

Sainte-Onenne Church

Highlight • Historical Site

FRENCH: A curious mix of Christianity and paganism is behind the history of this place, and this pretty village is worth a visit. Toilets with access to water are available …

Translated by Google •

Tip by

6

17.8 km

Téhorenteuc

Highlight • Settlement

Gateway to the Brocéliande forest, Téhorenteuc is the least populated commune in Morbihan. It is also an ideal stopping point in your quest for the Grail. There you will find …

Translated by Google •

Tip by

7

24.6 km

Saint Lawrence Chapel

Highlight • Other

B

30.5 km

End point

Parking

Way Types & Surfaces

Way Types

21.8 km

5.97 km

2.35 km

214 m

141 m

102 m

< 100 m

Surfaces

28.0 km

2.30 km

172 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 (110 m)

Lowest point (30 m)

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Weather

Powered by Foreca

Tuesday 13 October

21°C

7°C

0 %

Additional weather tips

Max wind speed: 11.0 km/h

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