4.4
(35)
2,990
riders
105
rides
Road cycling routes around Hirwaun are situated in a region characterized by its proximity to the Brecon Beacons National Park, offering a mix of rolling hills and valley roads. The area features varied terrain, from routes alongside canals and rivers to ascents into higher ground. Road cyclists can expect a landscape shaped by historical industrial heritage and natural water features. This provides diverse options for road cycling, ranging from flatter sections to more challenging climbs.
Last updated: July 7, 2026
59
riders
48.9km
02:15
390m
390m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
44
riders
77.5km
03:53
1,160m
1,160m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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37
riders
48.3km
02:31
770m
770m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
48
riders
77.9km
03:17
380m
380m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
21
riders
81.3km
03:53
1,090m
1,090m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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A good pit-stop when you are out riding with an old guy called Peter James. Sometimes he'll get the cakes in!
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What an absolute gem of a climb. One of my favourites !!!
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The Marina is a great place to run. It is really flat and you can run past all the boats along the paths. The beach is close by and there are cafes and pubs that you can start or finish it. There's also public toilets there and there is a nice 5k loop or more
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Good pit-stop and bike security with outside tables and chairs
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Nice picturesque reservoir with a great campsite just below it if you are on a bike or hiking tour.
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A very pretty and accessible dam, the spillover makes it a lovely scenic addition to your loop of the reservoir or the nearby forest. There are lovely picnic areas on the way around the dam, some eating spots by way of a roadside 'scoff' van in a nearby lay-by on the eastern shore, and the cafe at Garwnant Visitor Centre on the north side of the reservoir.
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As well as the caves, here you have Porth yr Ogof car park, or Cwm Porth car park, to give it its proper name. It's one of the better car parks, with toilets and a small shop. On most days there is also hot food and drinks available. The famous Four Waterfalls walk also starts from here. This is a spectacular walk, and each waterfall is great in its own way. They are Sgwd Clun-Gwyn, Sgwd Isaf Clun-Gwyn, Sgwd y Pannwr, and Sgwd yr Eira.
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There are over 100 road cycling routes around Hirwaun listed on komoot, offering a wide range of options for different skill levels and preferences.
Yes, Hirwaun offers several easier road cycling routes. There are 9 routes specifically rated as 'easy', providing gentler terrain for those new to road cycling or looking for a relaxed ride.
The terrain around Hirwaun is diverse, ranging from relatively flat sections along canals and rivers to rolling hills and more challenging ascents into higher ground, particularly towards the Brecon Beacons National Park. You'll encounter a mix of valley roads and climbs.
Absolutely. Hirwaun is an excellent base for experienced road cyclists, with 39 routes rated as 'difficult'. For example, the Porth Yr Ogof Cave – Maen Llia Standing Stone loop from Hirwaun is a challenging 48.2-mile route with significant elevation gain.
Many routes offer scenic views of reservoirs and canal-side paths. You can also pass by natural attractions like the Henrhyd Falls or historical landmarks such as the The Gap (Bannau Brycheiniog National Park) mountain pass, which provides stunning vistas.
Yes, many of the road cycling routes around Hirwaun are designed as loops, allowing you to start and finish in the same location. An example is the Beacons Reservoir – Llwyn-on Reservoir Dam loop from Llwyn-onn, which takes you through beautiful reservoir landscapes.
The spring and summer months generally offer the most favorable weather conditions for road cycling in Hirwaun, with milder temperatures and longer daylight hours. However, the varied terrain means routes can be enjoyed year-round, with appropriate gear for cooler or wetter conditions.
While specific pub stops are not always explicitly listed on every route, many routes pass through or near villages and towns where you can find local pubs and cafes. Planning your route with komoot allows you to identify potential stops along the way.
The road cycling routes in Hirwaun are highly regarded by the komoot community, with an average rating of 4.4 stars from over 30 reviews. Cyclists often praise the diverse landscapes, from canal paths to challenging climbs, and the stunning reservoir views.
Yes, Hirwaun offers several longer routes for those seeking extended rides. For instance, the Maen Llia Standing Stone – Bwlch Bryn-Rhudd loop from Hirwaun covers over 50 miles (81.3 km) and features significant elevation.
Many routes in the Hirwaun area, especially those venturing into the Brecon Beacons National Park or along quieter country roads, offer a sense of solitude. Routes focusing on canal paths or reservoir loops can also provide a less crowded experience compared to main roads.


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