3.9
(5)
41
riders
4
rides
Touring cycling around Llyn y Fan Fach is characterized by its dramatic glacial topography within the Brecon Beacons National Park, part of the Fforest Fawr UNESCO Global Geopark. The landscape features a glacial lake set beneath steep, flat-topped ridges, with prominent peaks and rolling moorland. Cyclists encounter sweeping escarpments, rugged ridgelines, and diverse terrain, including uncrowded roads and challenging unpaved segments. The area offers a blend of natural beauty and varied terrain suitable for touring cycling.
Last updated: June 29, 2026
1
riders
23.0km
02:01
340m
340m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
4.8
(4)
8
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5
riders
37.7km
02:51
610m
610m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
24
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
2
riders
11.7km
00:50
250m
250m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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1
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Henrhyd Falls in the Brecon Beacons National Park, Wales, is the tallest waterfall in southern Wales with a drop of 90 feet. It lies on National Trust land, in the traditional county of Brecknockshire. The nearest settlement to it is Coelbren, on the road between Glynneath and Abercraf.
5
0
Excellent track around the reservoir suitable for most bikes with gravel tyres. The Usk Reservoir, also known as Cronfa Wysg in Welsh, sits at an elevation of 1,006 feet (307 m) in the upper Usk Valley within the Brecon Beacons National ParK. It marks the county boundary between Carmarthenshire and Powys.
1
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great scenery, tough climb
0
0
Henrhyd Falls is the tallest waterfall in southern Wales with a drop of around 90 feet 927 m). It's managed by the National Trust and visible via a short walk down into the gorge below. It's not bike suitable but is worth leaving the bikes for a look. The mobile cafe at the car park serves snacks, ice cream, burgers, and drinks. They also run a campsite.
2
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There are several dedicated no-traffic touring cycling routes in the Llyn y Fan Fach area, offering a mix of easy and challenging rides. You can find over 4 routes specifically curated for a peaceful cycling experience away from vehicles.
Yes, for an easier, traffic-free experience, consider the Usk Reservoir Track – Stream Under Old Metal Bridge loop from Usk Reservoir Dam. This route is approximately 9.5 km long with minimal elevation gain, making it ideal for those seeking a relaxed ride amidst beautiful scenery.
The terrain varies significantly. While some routes, like the Usk Reservoir Track, offer mostly paved or well-maintained gravel surfaces suitable for touring bikes, others venture into more rugged areas. Expect dramatic, wild landscapes with continuous climbs, and potentially sections with loose scree, especially on routes exploring the ridgelines around the lakes and peaks. Routes are generally well-suited for bikes with gravel tires.
Absolutely. For experienced touring cyclists seeking a challenge, routes like the Bwlch Cerrig Duon & Henrhyd Falls loop from Dan-yr-Ogof offer significant elevation gains and longer distances, providing a rewarding 'big wilderness adventure' through the dramatic glacial landscapes.
The routes are set within the stunning Fforest Fawr UNESCO Global Geopark, offering views of glacial topography. You'll encounter the enchanting Llyn y Fan Fach and the larger Llyn y Fan Fawr, set beneath peaks like Picws Du and Fan Brycheiniog. Some routes may also pass by notable attractions such as Henrhyd Falls, the tallest waterfall in southern Wales, or areas known for bird spotting, including red kites.
Yes, many of the no-traffic touring cycling routes are designed as loops, allowing you to start and finish at the same point. Examples include the Ynysfaen Campsite – Usk Reservoir Track loop from Usk Reservoir, which provides a circular journey through the scenic landscape.
The best time for touring cycling in Llyn y Fan Fach is generally from late spring to early autumn (May to October). During these months, the weather is milder, and the days are longer, offering more comfortable riding conditions and better visibility of the stunning landscapes. Winter can bring challenging conditions, including snow and ice, especially on higher elevations.
Yes, the Usk Reservoir is a central feature for several no-traffic touring cycling routes. The Trecastle and Myddfai loop from Usk Reservoir is one such route that explores the area around the reservoir, offering beautiful views and a challenging ride.
The Llyn y Fan Fach area is highly rated by the komoot community, with an average score of 3.875 stars. Reviewers often praise the dramatic, wild, and remote nature of the routes, the stunning glacial landscapes, and the sense of a 'big wilderness adventure' away from traffic. The panoramic views from the ridgelines are frequently highlighted as a major draw.
Yes, the Llyn y Fan Fach area is excellent for wildlife enthusiasts, particularly for bird spotting. Cyclists frequently observe species such as the red kite, common buzzard, kestrel, carrion crow, common raven, and skylark along the routes. Keep an eye out, especially in the more remote sections.
While specific parking details vary by trailhead, areas like the Usk Reservoir often have designated parking facilities that serve as convenient starting points for many of the touring cycling routes. It's advisable to check specific route descriptions for the most accurate parking information.


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