4.5
(277)
4,330
riders
64
rides
Mountain biking around Pentrefoelas offers routes through diverse landscapes, characterized by dense forests and expansive reservoirs. The region features rolling hills and varied terrain, providing a mix of gradients suitable for different skill levels. Trails often follow the perimeters of large bodies of water like the Alwen and Brenig Reservoirs, alongside paths through Clocaenog Forest. This area provides a natural setting for mountain biking, with routes that combine forest sections with open reservoir views.
Last updated: April 25, 2026
4.0
(2)
23
riders
48.1km
04:06
740m
740m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.0
(1)
5
riders
51.4km
04:25
830m
820m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Sign up for free
5.0
(2)
32
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.0
(2)
5
riders
24.0km
02:07
340m
330m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
4
riders
17.5km
01:39
310m
310m
Moderate mountain bike ride. Good fitness required. 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
Though it was not a tough or technical ride, it did take me into territory I had never visited before and was a lovely antidote to the 'fleshpots' of Gwydir Forest or Coed-y-Brenin. Some lovely gentle singletrack, beautiful views and I didn't see another rider for the whole trip - although tbh I did set off at 08.30 on a Wednesday!!
1
0
Alwen Reservoir is the largest human-made lake in Wales and it makes for a lovely walk. There's a car park at its eastern end and the 6-mile (10 km) loop of the reservoir is wonderfully scenic and suitable for the whole family. The mixture of lake views, woodland and open moorland make it a real treat.
0
0
This bridge across the 900-acre (364 ha) Alwen Reservoir enables a beautiful and tranquil loop of the Wales' largest artificial lake. The views across the water and to the surrounding woodland and hills are lovely.
0
0
The grand, ornate stone dam of Alwen Reservoir couldn't be more of a contrast to the neighbouring Llyn Brenig Dam. It's well worth taking a minute or two to take in this magnificent feat of engineering, that was completed in 1920. The reservoir here was built to provide drinking water for Liverpool and the Wirral.
0
0
Explore over 2500 acres of forest, moorland and lakes amid stunning upland scenery. With visitor centre, café, gift shop, osprey exhibition, adventure playground, cycle hire, mountain biking, walking trails, sailing and world class fishing to discover. Perfect cycling conditions for all ages and abilities. Hire from a wide range of bikes or bring your own ride. Enjoy a gentle family ride on an e-bike or an exhilarating mountain bike adventure.
0
0
Llyn Brenig is a reservoir located on Denbigh Moors in North Wales. The artificial lake, which was constructed between 1973 and 1976, was created by building an embankment dam across the Afon Brenig valley. It lies at 1,200 ft above sea level on the border between the counties of Conwy and Denbighshire.
2
0
An easy route for all abilities
0
0
There are over 60 mountain bike trails around Pentrefoelas listed on komoot, offering a wide range of options for different skill levels and preferences.
Yes, Pentrefoelas offers several easy mountain bike trails. For instance, the View of Alwen Reservoir – Alwen Dam loop from Hafod Elwy National Nature Reserve is an easy 14.0-mile (22.6 km) route, and the Llyn Brenig Dam – Llyn Brenig loop from Llyn Brenig Visitor Centre is another accessible 13.0-mile (20.9 km) option.
For more experienced riders, there are 7 difficult mountain bike trails around Pentrefoelas. These routes often feature more significant elevation changes and technical sections, particularly within Clocaenog Forest and around the reservoirs.
Many of the easy and moderate trails around Pentrefoelas are suitable for families, especially those with some biking experience. Routes that stick to the reservoir perimeters, like parts of the Llyn Brenig loop, tend to be less technical and offer scenic, enjoyable rides for various ages.
Yes, many of the mountain bike trails in Pentrefoelas are designed as circular routes. A prominent example is A circuit of Clocaenog Forest and the Alwen and Brenig Reservoirs, which is a 29.9-mile (48.1 km) loop, or the Llyn Brenig Visitor Centre – Llyn Brenig loop from Llyn Brenig Visitor Centre, a 30.8-mile (49.6 km) circular path.
Spring and autumn generally offer the most pleasant conditions for mountain biking in Pentrefoelas, with cooler temperatures and vibrant scenery. Summer is also popular, but trails can be busier. Winter riding is possible, but be prepared for potentially wet and muddy conditions, especially in forested areas.
Yes, the trails often pass by scenic spots. You can find viewpoints like View of Moel Siabod, Snowdon, and Crib Goch, or explore historical sites such as Mwdwl-eithin Summit and Ruins. The routes around Alwen and Brenig Reservoirs also offer continuous water views.
Parking is typically available at key access points for the reservoirs and forest areas. For example, the Llyn Brenig Visitor Centre is a common starting point with dedicated parking facilities. Many routes also begin near smaller car parks or lay-bys adjacent to forest roads.
While many routes traverse remote forest and reservoir areas, some trails pass closer to villages or main roads where pubs can be found. Planning your route to include a stop in Pentrefoelas itself or nearby hamlets would be the best approach for a pub break.
The komoot community highly rates the mountain biking in Pentrefoelas, with an average score of 4.4 stars from over 270 reviews. Riders frequently praise the diverse landscapes, combining dense forests with expansive reservoir views, and the variety of terrain suitable for different skill levels.
Mountain bike trails around Pentrefoelas vary significantly in length and duration. You can find shorter routes, like the Alwen Dam – View of Alwen Reservoir loop from Alwen Dam at 10.8 miles (17.5 km) taking about 1 hour 38 minutes, up to longer excursions such as the 30.8-mile (49.6 km) Llyn Brenig Visitor Centre – Llyn Brenig loop, which typically takes over 4 hours.


Browse the best MTB trails in other regions.