The best traffic-free bike rides around Glasfynydd Forest
5.0
(12)
532
riders
10
rides
No traffic road cycling routes around Glasfynydd Forest traverse a landscape characterized by extensive coniferous plantations and woodlands, offering shaded paths and a sense of immersion in nature. The area largely encircles the Usk Reservoir, providing tranquil waterside paths and scenic views. Terrain includes hilly sections, moorland, and grasslands, with distant views towards the Black Mountains. These features combine to create varied road cycling experiences.
Best no traffic road cycling routes around Glasfynydd Forest
- The most popular no traffic road cycling route is Coed Tregib Woodland – Bethlehem Hamlet loop from Llanddeusant, a 23.9 miles (38.5 km) trail that takes 2 hours 26 minutes to complete. This route features diverse forest and open landscapes with substantial climbs.
- Another top favourite among local road cyclists is Dolauhirion Bridge – Llandovery Castle Ruins loop from Llandovery, an easy 12.6 miles (20.4 km) path. This route offers a steady cycle through varied scenery with minimal elevation gain.
- Local road cyclists also love the Abergwesyn Pass – Llyn Brianne Dam loop from Llandovery, a 44.9 miles (72.2 km) trail leading through challenging mountain passes and reservoir views, often completed in about 4 hours 12 minutes.
- Road cycling around Glasfynydd Forest is defined by coniferous plantations, the Usk Reservoir, and views of the Black Mountains. The network offers options for different ability levels, from gentle loops to routes with significant elevation gain.
- The routes in Glasfynydd Forest are highly rated by the komoot community with an average score of 4.9 stars from more than 10 reviews. More than 600 road cyclists have used komoot to explore Glasfynydd Forest's varied terrain.
Last updated: June 29, 2026
10
riders
38.5km
02:26
620m
620m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4
riders
20.4km
01:02
130m
130m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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5.0
(2)
34
riders
45.2km
02:19
540m
540m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(4)
132
riders
72.2km
04:12
1,030m
1,030m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
32
riders
26.7km
01:21
210m
210m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Glasfynydd Forest
Tips from the Community
A colour village. Llandovery is a lovely place to visit.
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Cwm R MTB trail is completely blocked at top end due to hundreds of wind fallen trees this winter. Please consider before as you can not navigate loop.
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Confronting the Devil's Staircase northbound from near Llyn Brianne reservoir is tackling one of Wales's most infamous climbs, famed for its savage steepness and remote beauty. Prepare for an immediate, brutal ascent as the narrow single-track road rears up, averaging a punishing 10-13% but hitting steep ramps well over 20%, reportedly reaching 25-30%. Feel the wild exposure of the Cambrian Mountains, with stunningly remote views as your reward for conquering this truly devilish challenge.
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It was a truly stunning spot to take in the scenery from this elevated panoramic viewpoint. Highly recommended.
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It's a truly stunning ride valley mountain road and not to be missed if you are in the area.
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A short climb up from the road brings you to the Dam and carpark, there is no access over the Dam itself. But you do get a good view over the spillway and valley below.
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Frequently Asked Questions
How many no-traffic road cycling routes are available in Glasfynydd Forest?
There are 10 dedicated no-traffic road cycling routes in Glasfynydd Forest, offering a variety of distances and difficulty levels for you to explore.
Are there any easy no-traffic road cycling routes suitable for beginners or families?
Yes, Glasfynydd Forest offers easy no-traffic road cycling routes. For instance, the Dolauhirion Bridge – Llandovery Castle Ruins loop from Llandovery is an easy 20.4 km ride with minimal elevation gain. Another great option is The Towy Bridge Inn – Rhandirmwyn Bridge loop from Llandovery, which covers 26.7 km and is also rated easy.
What are the most challenging no-traffic road cycling routes in Glasfynydd Forest?
For experienced road cyclists seeking a challenge, Glasfynydd Forest has difficult routes with significant elevation. The Abergwesyn Pass – Llyn Brianne Dam loop from Llandovery is a demanding 72.2 km route with over 1000 meters of ascent, offering expansive views and a physical test.
What kind of landscapes can I expect on these no-traffic road cycling routes?
The routes in Glasfynydd Forest traverse diverse landscapes. You'll cycle through extensive coniferous plantations and woodlands, offering shaded sections and a sense of immersion in nature. Many routes also provide views towards the majestic Black Mountains and skirt the edges of the picturesque Usk Reservoir, providing tranquil waterside paths.
Are there any circular no-traffic road cycling routes in the area?
Yes, many of the no-traffic road cycling routes in Glasfynydd Forest are circular, allowing you to start and finish at the same point. Examples include the Coed Tregib Woodland – Bethlehem Hamlet loop from Llanddeusant and the Llandovery to River Cothi Valley loop.
What do other road cyclists say about the routes in Glasfynydd Forest?
The no-traffic road cycling routes in Glasfynydd Forest are highly rated by the komoot community, with an average score of 4.9 stars from 13 reviews. Cyclists often praise the quiet roads, the stunning natural beauty, and the variety of routes available, from gentle reservoir loops to challenging mountain passes.
Are there any notable landmarks or viewpoints along the no-traffic road cycling routes?
While cycling, you'll encounter the scenic Usk Reservoir, which is a central feature of the forest. Many routes offer far-reaching views towards the Black Mountains. The area is also recognized as an International Dark Sky Reserve, making it exceptional for stargazing after your ride.
Where can I find parking for no-traffic road cycling routes in Glasfynydd Forest?
Car parking facilities are available, particularly at the northern end of the Usk Reservoir dam, managed by Natural Resources Wales. These provide convenient starting and stopping points for your rides.
Is Glasfynydd Forest suitable for road cycling year-round?
Glasfynydd Forest offers diverse terrain that can be enjoyed in various seasons. While specific conditions vary, the well-laid forestry tracks and tarmac paths make many routes accessible. Always check local weather conditions, especially during winter months, as some higher elevation sections might be more exposed.
Are there any places to stop for a picnic or rest along the routes?
Yes, picnic facilities are available, especially near the car parking areas such as at the northern end of the Usk Reservoir dam. These spots offer a chance to rest and enjoy the natural surroundings during your ride.
Can I find more information about Glasfynydd Forest beyond cycling?
Glasfynydd Forest is part of the Bannau Brycheiniog (Brecon Beacons) National Park and offers a rich tapestry of natural beauty. For more general information about the area and its attractions, you can visit Love to Visit's Glasfynydd Forest page.
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