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France
Brittany
Guingamp

Rostrenen

The best MTB trails around Rostrenen

4.6

(47)

195

riders

31

rides

Mountain biking around Rostrenen offers diverse landscapes in inland Brittany, France. The region features rich forests, winding rivers, and steep-sided valleys, providing varied terrain for mountain bikers. Riders can expect a mix of surfaces, from dedicated cycle paths to rougher trails, often following towpaths along the Blavet River and the Nantes-Brest Canal. The area includes both hills and river valleys, creating a dynamic riding experience away from coastal areas.

Best mountain bike trails around Rostrenen

  • The most popular mountain bike…

Last updated: August 28, 2026

4.8

(5)

31

riders

#1.

L'Écluse 150 – Kerdiston lake loop from Rostrenen

47.1km

02:51

300m

300m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Popular around Rostrenen

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SimonWicart

Tips from the Community

Anne G
May 30, 2026, La tranchée de Glomel

A pretty iron bridge, built for farmers at the time. Here the path along the water was in a bad state in April 2026 (a warning was installed on one side of the section, but a detour through the forest is possible).

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Julie
July 6, 2025, L'Écluse 150

Nice crepes.

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Peter
October 17, 2024, La tranchée de Glomel

This is one of the very few straight sections of the canal.

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Here the canal meanders through the landscape.

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Yes - a very beautiful lock keeper's house. We were able to take a relaxing break here! Someone has invested a lot of love and time here and turned it into a gem. 💎

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Excellent and inexpensive pancakes, welcome coffee for a pleasant refreshment

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Beautiful lock and vintage car

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Very nice lock along the canal

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Frequently Asked Questions

How many mountain bike trails are there around Rostrenen?

There are over 30 mountain bike trails around Rostrenen, offering a diverse range of experiences. These include 9 easy routes, 22 moderate routes, and 1 difficult route, catering to various skill levels.

What kind of terrain can I expect on mountain bike trails near Rostrenen?

The terrain around Rostrenen is quite varied, featuring rich forests, winding rivers, and steep-sided valleys. You'll encounter a mix of surfaces, from dedicated cycle paths and converted railway lines to unpaved segments and rougher trails, often following towpaths along the Blavet River and the historic Nantes-Brest Canal.

Are there any easy mountain bike trails suitable for beginners or families?

Yes, Rostrenen offers 9 easy mountain bike routes. A great option for a gentler ride is the L'Écluse 150 – Roman Bridge loop from Plouguernével, which covers 31.6 km and is rated as easy. The region also features a 111 km cycle path on a disused railway line, perfect for families.

What are some scenic highlights I can see while mountain biking in Rostrenen?

Many trails incorporate the region's natural beauty and historical sites. You can explore the historic The Glomel Cut, which is the highest point of the Canal de Nantes à Brest, or pass by the Gouarec Lock on the Nantes–Brest Canal. The area also features picturesque forests, river valleys, and lakes like Kerdiston Lake.

Are there any circular mountain bike routes in the Rostrenen area?

Yes, many of the mountain bike trails around Rostrenen are circular. For example, the Canal de Nantes à Brest – Black Mountains loop from Glomel is a popular 42.9 km moderate route. Another excellent loop is the Kerdiston lake – The Glomel Cut loop from Glomel, covering 47.6 km.

What do other mountain bikers say about the trails in Rostrenen?

The mountain bike trails around Rostrenen are highly rated by the komoot community, with an average score of 4.4 stars from over 50 reviews. Riders often praise the diverse landscapes, the mix of challenging and easy routes, and the scenic beauty of the forests and canals.

Can I access mountain bike trails in Rostrenen using public transport?

While Rostrenen is a market town, public transport options directly to trailheads might be limited. It's advisable to check local bus schedules, as many routes are designed to be accessed by car or by cycling directly from Rostrenen itself. The region is also part of La Vélodyssée, a long-distance cycling route.

Where can I park my car when going mountain biking in Rostrenen?

Parking is generally available in and around Rostrenen, as well as at various starting points for trails in nearby villages like Glomel or Plouguernével. Look for designated parking areas near popular trailheads or in village centers.

What is the best season for mountain biking in Rostrenen?

The region's varied terrain and lush landscapes are enjoyable throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery, with vibrant foliage or blooming flora. Summer can also be great, especially for rides that incorporate lakes or shaded forest paths. Always check local weather conditions before heading out.

Are there any mountain bike routes that pass by lakes or offer water activities?

Yes, several routes offer views of lakes or are close to water bodies. The The Glomel Cut – Kerdiston lake loop from Glomel passes by Kerdiston Lake. Additionally, Lac du Guerlédan, a short drive away, offers opportunities for watersports, sailing, and canoeing, and can be incorporated into a longer cycling trip.

Are there any particularly challenging mountain bike trails in Rostrenen?

While most routes are moderate, there is 1 difficult mountain bike trail in the Rostrenen area for those seeking a greater challenge. The region's varied terrain, including steep-sided valleys and unpaved segments, can provide a demanding experience on some routes.

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