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Mountain biking trails

Saint-Pierre-Quiberon

Fort Penthièvre – Isthmus of Penthièvre loop from Kerhostin

Mountain biking trails

Saint-Pierre-Quiberon

Fort Penthièvre – Isthmus of Penthièvre loop from Kerhostin

Easy

4.6

(5)

16

riders

Fort Penthièvre – Isthmus of Penthièvre loop from Kerhostin

00:45

14.5km

30m

Mountain biking

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: October 16, 2026

Tips

Includes a segment in which cycling is not permitted

After 848 m for 163 m

Waypoints

A

Start point

Train Station

1

929 m

Fort Penthièvre Memorial and Crypt

Highlight • Historical Site

After the siege of Lorient and the pillage of the Quiberon peninsula in 1746, it was decided the following year to build a fortress to secure it. This then strengthened …

Translated by Google •

Tip by

2

953 m

Fort Penthièvre

Highlight • Castle

Built in the 18th century, Fort Penthièvre is a military installation with imposing walls, designed to monitor the long sandy beaches which once allowed numerous landings. Depending on the wars …

Translated by Google •

Tip by

3

1.44 km

Isthmus of Penthièvre

Highlight • Natural

It is a strip of land, about twenty meters wide, which connects the Quiberon peninsula to the continent.
On these few meters a road, a railway line and the cycle …

Translated by Google •

Tip by

4

7.08 km

Walk to visit Musée de la Chouannerie Plouharnel

Highlight • Other

beautiful museum. the exteriors with the bunkers in good condition and the sand walls will be done next time

Translated by Google •

Tip by

5

7.33 km

Quiberon Peninsula Greenway

Highlight (Segment) • Cycleway

Rough gravel, works just about with road bike when it's dry. Leads into a beautiful hidden paved road.

Tip by

B

14.5 km

End point

Train Station

Way Types & Surfaces

Way Types

12.7 km

846 m

599 m

200 m

157 m

< 100 m

Surfaces

13.9 km

455 m

< 100 m

< 100 m

< 100 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.

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Weather

Powered by Foreca

Sunday 18 October

14°C

8°C

19 %

Additional weather tips

Max wind speed: 18.0 km/h

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