Aber de Merrien – Chapelle Saint-Gwenael loop from Port de Merrien

Mountain biking trails

Aber de Merrien – Chapelle Saint-Gwenael loop from Port de Merrien

Moderate

4.5

(15)

riders

Aber de Merrien – Chapelle Saint-Gwenael loop from Port de Merrien

02:22

32.3km

230m

Mountain biking

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

Last updated: August 25, 2026

Tips

Cycling is not permitted along parts of this route

After 1.57 km for 233 m

After 29.9 km for 124 m

After 30.5 km for 233 m

Waypoints

Start point

Parking

Get Directions

505 m

Aber de Merrien

Highlight • River

In the Aber de Merrien, oyster farming has occupied certain professionals for several generations. If you come across one of them, don’t hesitate to ask them for a hamper and discover the finesse of their productions.

Translated by Google •

Tip by

2.31 km

Forêt de Plaçamen

Highlight • Forest

10.7 km

Bois de Kermeur-Bihan

Forest

13.4 km

Chapelle Saint-Gwenael

Highlight • Religious Site

19.0 km

GR 34, FFC-MTB-No.1, Seaside

Highlight • Trail

The course finally arrives on the seaside after kilometers of woods and countryside.

Translated by Google •

Tip by

32.3 km

End point

Parking

Way Types & Surfaces

Way Types

11.1 km

9.43 km

6.73 km

5.03 km

Surfaces

9.24 km

8.59 km

7.94 km

5.54 km

588 m

338 m

Elevation

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

Weather

Friday 9 October

17°C

9°C

4 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Comments

September 11, 2026

il me semble que le sentier partant au départ du port de merrien jusqu'à l'extrémité de la ria est le sentier GR 34 réservé aux piétons. A confirmer.

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Aber de Merrien – Chapelle Saint-Gwenael loop from Port de Merrien

Aber de Merrien

Forêt de Plaçamen

Chapelle Saint-Gwenael

GR 34, FFC-MTB-No.1, Seaside

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