4.6
(11)
45
riders
10
rides
Mountain biking around Lac De Kerne Uhel offers diverse landscapes characterized by wild shores, preserved forests, and varied terrain. The region, nestled in the Blavet valley, features a mix of woodlands and open water, with granite blocks emerging in places. This natural setting provides a range of mountain bike trails suitable for different skill levels. The area is also part of the European Natura 2000 network, highlighting its rich natural heritage.
Last updated: July 4, 2026
4.7
(6)
9
riders
26.7km
02:18
230m
230m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
30
riders
48.9km
03:56
530m
530m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Sign up for free
5.0
(1)
3
riders
34.6km
02:44
440m
440m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
1
riders
30.0km
01:45
300m
300m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3.5
(2)
2
riders
29.6km
01:50
270m
270m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Large menhir in a beautiful, natural setting (second largest menhir in Brittany), easily accessible
0
0
Tour of Lake Kerné-Uhel, bucolic forest trail.
0
0
There are 9 mountain bike trails available around Lac De Kerne Uhel, catering to various skill levels. These include 4 easy routes and 5 moderate routes, offering diverse experiences from lakeside loops to more extensive tours through the Blavet valley.
The terrain around Lac De Kerne Uhel is characterized by wild shores, preserved forests, and varied landscapes. You'll encounter a mix of woodlands and open water, with unique granite blocks emerging in places. The trails offer a challenging and technical playground, reflecting the region's 'Canadian' scenery.
Yes, there are several easy mountain bike trails. A great option for beginners or families is the Lac de Kerné-Uhel - East bank loop from Trémargat, which is 20.8 km long and offers a pleasant ride around the lake's wild shores and forests.
While the region is known for its natural beauty and is a Natura 2000 site, specific regulations regarding dogs on mountain bike trails can vary. It's generally advisable to keep dogs on a leash to protect the local wildlife, especially given the presence of protected species like the Breton freshwater pearl mussel and otters. Always check local signage for specific rules.
Yes, many of the routes are circular, allowing you to explore the diverse landscapes. The Lac de Kerné-Uhel - East bank loop from Trémargat is a popular circular route that encircles the lake, offering continuous views of the water and forests.
Mountain biking around Lac De Kerne Uhel offers stunning natural features. You'll experience the lake's clear, reddish-tinted water and emerging granite blocks, reminiscent of Canadian landscapes. South of the dam, near St-Antoine, the Blavet river winds through a granite chaos, creating a unique geological sight. Observatories are also set up along the shores for discreet wildlife viewing.
The region is suitable for outdoor activities throughout much of the year. However, spring and autumn generally offer the most pleasant conditions for mountain biking, with milder temperatures and beautiful foliage. Summer can also be enjoyable, but it's always wise to check local weather forecasts.
Parking is generally available at various access points around the lake, particularly near popular starting points for trails. For detailed information on specific parking areas, you might find local maps or tourist information resources helpful, such as those provided by the Office de Tourisme Kreiz Breizh.
While the area is quite natural and preserved, you can find amenities in nearby hamlets and villages. The traditional hamlet of St-Antoine, with its 17th-century houses, is a notable spot. For a wider selection of cafes, pubs, and restaurants, you would typically look towards the larger towns surrounding the lake, such as Trémargat or Peumerit-Quintin.
The mountain bike trails around Lac De Kerne Uhel are highly rated by the komoot community, with an average score of 4.8 stars from more than 5 reviews. Mountain bikers often praise the diverse terrain, the wild shores, and the preserved forests that make for a unique and engaging riding experience.
Yes, for experienced riders seeking a challenge, there are moderate routes available. The Lac de Kerné-Uhel - East bank – Tour du Lac - West shore loop from Kerien is a substantial 60.7 km trail, often completed in about 4 hours 48 minutes, leading through the diverse landscapes of the Blavet valley.
Generally, permits are not required for mountain biking on the marked trails around Lac De Kerne Uhel. However, as the area is a Natura 2000 site, it's important to respect all local regulations, stay on marked paths, and protect the natural environment. There are no indications of specific permits being needed for general trail use.


Browse the best MTB trails in other regions.