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Routes
Mountain biking trails
France
Brittany
Vannes
Saint-Guyomard

Coëby Menhirs – Étang du Helfaut loop from Saint-Guyomard

Routes
Mountain biking trails
France
Brittany
Vannes
Saint-Guyomard

Coëby Menhirs – Étang du Helfaut loop from Saint-Guyomard

Moderate

5.0

(1)

41

riders

Coëby Menhirs – Étang du Helfaut loop from Saint-Guyomard

02:44

35.7km

290m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 12, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional du Golfe du Morbihan

Waypoints

A

Start point

Bus stop

Get Directions
1

5.35 km

Grotte aux Loups

Highlight • Cave

2

13.5 km

Coëby Menhirs

Highlight • Other

At this intersection, you can see three menhirs. A fourth is located about 400m further on the path opposite in the forest.

Translated by Google •

Tip by

16.1 km

Menhir de Ker-Antoine

Archaeological Site

4

23.5 km

Étang du Helfaut

Highlight • Lake

25.4 km

Bois du Helfau

Forest

6

31.6 km

Path in the heart of the Molac Forest

Highlight (Segment) • Other

Access is unauthorized from October to February inclusive due to hunting, this section nevertheless remains my favorite in the Molac forest.

Translated by Google •

Tip by

B

35.7 km

End point

Bus stop

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Way Types & Surfaces

Way Types

15.3 km

12.0 km

8.44 km

< 100 m

Surfaces

23.6 km

8.13 km

4.06 km

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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 (30 m)

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Weather

Powered by Foreca

Friday 16 October

16°C

6°C

0 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

Comments

March 24, 2024,R0 St Guyomard circuit 45 km
Organized hike from St Guyomard, 45 km circuit. It is made up of 6 sectors, the first starts slowly then tackles the most technical part of the route with elevation and trial passages. Then it's flat and alternates more or less dynamic singles and long forest straights, often wet and muddy. For me it lacked fun and difficulty, although I …

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