4.6
(27)
277
riders
13
rides
Gravel biking around Nantglyn offers diverse landscapes, characterized by the significant Llyn Brenig and Alwen Reservoirs, alongside extensive forest areas like Clocaenog. The region features a mix of terrain, including forest doubletrack, rocky moorland, and wide gravel tracks. Many of the byways are rocky rather than muddy, providing varied riding conditions. Elevated paths offer views towards the Clwydian Range.
Last updated: May 22, 2026
5.0
(7)
90
riders
23.9km
02:19
300m
300m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
5.0
(4)
62
riders
15.2km
01:22
130m
130m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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7
riders
10.5km
01:03
130m
140m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
1
riders
15.3km
01:30
150m
150m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
1
riders
8.74km
00:52
130m
130m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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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
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
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 (370 m) above sea level on the border between the counties of Conwy and Denbighshire. It is used to manage the flow in the River Dee as part of the River Dee regulation system.
1
0
An easy route for all the family to enjoy, although you might want to go int he warmer months of the year. It can be very wet and windy up here in the Winter.
0
0
Here you have a super good section of singletrack as you meander your way through Gors Maen Llwyd nature reserve to the north of Llyn Brenig. You have fine views but don't let it distract you too much as walkers use this track as well.
3
1
A long wooden bridge spans the upper reaches of the Alwen Reservoir, which features on the Two Lakes and Alwen circular cycle routes. It's absolutely covered in lichen and feels a little rickety as you ride along. Enjoy the remote lake views as you ride over this long, narrow bridge.
3
0
The views over Alwen Reservoir from this section along the northern shore are simply wonderful! You'll take them in if you follow the waymarked Alwen or Lakes Circular routes. You move between open views and between the trees, but both are pretty spectacular, especially at sunset.
1
0
There are over 10 gravel bike trails available around Nantglyn, offering a diverse range of experiences. These routes are highly rated by the komoot community, with an average score of 4.6 stars from over 250 visitors.
The terrain around Nantglyn is quite varied. You'll find extensive forest areas like Clocaenog, alongside the significant Llyn Brenig and Alwen Reservoirs. Routes feature a mix of forest doubletrack, rocky moorland descents, and wide gravel tracks. Many byways are rocky rather than muddy, making for good riding conditions year-round.
The komoot community highly rates the gravel biking in Nantglyn, with an average score of 4.6 stars. Riders often praise the stunning views of the reservoirs, the variety of terrain from forest paths to open moorland, and the generally traffic-free nature of many routes, particularly around Llyn Brenig and Alwen Reservoir.
Yes, there are several easy routes perfect for beginners or families. The Brenig cycle trail — Llyn Brenig is an easy 9.4-mile path following the shores of Llyn Brenig, offering scenic views. Another option is the Alwen cycle trail — Llyn Brenig, a 6.5-mile trail through the area surrounding the Alwen Reservoir.
Absolutely. While some routes are easy, others offer more challenge. The Two Lakes cycle trail — Llyn Brenig, for instance, is a 14.8-mile route with varied terrain including rocky moorland descents. The Clocaenog Forest also features challenging climbs and forest fire roads as part of the wider North Wales Gravel X routes, which can include technical sections.
You'll encounter several notable features. The prominent Llyn Brenig and Alwen Dam are central to many routes, offering stunning views. From elevated paths, you can often see the ridge of the Clwydian Range and the sea beyond. The Gors Maen Llwyd Nature Reserve also provides excellent cycling with fine views north of Llyn Brenig.
Yes, the area offers several circular routes. The Two Lakes cycle trail — Llyn Brenig is a popular 14.8-mile circular route encompassing both Llyn Brenig and Alwen Reservoir. Another option is the Lakes Circular cycle trail — Llyn Brenig, a 9.5-mile loop that provides a good experience of the reservoir surroundings.
While specific parking details for Nantglyn village itself aren't detailed, the main gravel biking hubs like Llyn Brenig and Alwen Reservoir typically offer dedicated parking facilities for visitors. It's advisable to check the specific starting points of your chosen route for the most convenient parking options.
Nantglyn is a small, rural village, and public transport options directly to the trailheads may be limited. Access is generally easier by car. For detailed public transport information, it's best to consult local bus schedules or plan your journey to nearby towns like Denbigh and then consider onward travel.
The area's gravel roads and byways are often rocky rather than muddy, which can allow for good riding conditions year-round. However, for the most pleasant experience with milder weather and full access to facilities, late spring through early autumn (May to October) is generally ideal. Winter riding is possible but be prepared for colder, potentially wetter conditions.
Many outdoor trails in Wales, especially those on public byways and forest tracks, are generally dog-friendly, provided dogs are kept under control, particularly around livestock or wildlife. Always check specific signage at trailheads, and be mindful of local regulations, especially in nature reserves or around reservoir facilities.
Generally, you do not need specific permits for gravel biking on public byways and designated cycle routes in the Nantglyn area, such as those around Llyn Brenig and Alwen Reservoir. However, if you plan to venture onto private land or specific managed forest areas, it's always wise to check for any local access restrictions or permit requirements.
Yes, particularly around the popular Llyn Brenig and Alwen Reservoir areas, you can find visitor centers or cafes that offer refreshments. These are often located at key points along the main cycle trails, providing convenient stops during your ride. Nantglyn village itself is small, so amenities are more concentrated around the larger attractions.


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