Merthyr Mawr Warren National Nature Reserve
Merthyr Mawr Warren National Nature Reserve
4.5
(68)
3,963
riders
116
rides
Road cycling around Merthyr Mawr Warren National Nature Reserve offers routes through a diverse landscape of coastal paths, river valleys, and rural roads. The region features well-paved surfaces that allow cyclists to explore the scenic surroundings, including areas near the Ogmore River and the coastline. While the core reserve is characterized by sand dunes, the surrounding network provides varied terrain suitable for road bikes. These routes often combine views of the Bristol Channel with inland countryside, offering a mix of…
Last updated: April 26, 2026
4.7
(3)
37
riders
67.4km
03:08
720m
720m
Embark on the Cowbridge loop from Ogmore, a moderate road cycling adventure spanning 41.9 miles (67.4 km) with a total elevation gain of 2363 feet (720 metres). This route offers…
6
riders
10.3km
00:37
50m
50m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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5
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
55
riders
39.8km
01:53
420m
420m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5
riders
21.9km
01:32
210m
210m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
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Popular around Merthyr Mawr Warren National Nature Reserve
Running Trails around Merthyr Mawr Warren National Nature Reserve
Cycling around Merthyr Mawr Warren National Nature Reserve
MTB Trails around Merthyr Mawr Warren National Nature Reserve
Gravel biking around Merthyr Mawr Warren National Nature Reserve
Hiking around Merthyr Mawr Warren National Nature Reserve
Very steep, but not too long. Segment on Strava is called Witches Hill. Not sure where Lyndon is talking about, the one shown on the map here is public road, there are no gates which can be locked.
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The Ogmore Valley Trail is a scenic walking and cycling path that runs from Aberkenfig to Nant-y-Moel in Wales, following a largely flat and car-free route. The trail follows the valley floor, passing through woodland and along rivers, and showcases evidence of its industrial past, including remnants of the Ogmore Valley Railway.
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When heading from Cowbridge, no public access signs are posted. Gates may be closed and locked!!
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A walk on St David's Day, even if there was hail. Nice flattish walk ending with lovely sea views. Got a little lost in the estate coming back, and stopped recording at a point where I'll be retracing footsteps.
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At low tide, the water escapes quite far.
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The road cycling routes around Merthyr Mawr Warren National Nature Reserve feature a diverse landscape, including well-paved coastal paths, scenic river valleys, and quiet rural roads. While the core reserve is known for its sand dunes, the cycling routes are designed to avoid these challenging terrains, offering smooth surfaces suitable for road bikes. You'll encounter a mix of flat sections and gentle ascents, with views of the Bristol Channel and inland countryside.
Yes, there are several easy road cycling routes perfect for beginners. For instance, the Coffi Co Lounge – Sand Bay, Porthcawl loop from Porthcawl is an easy 10.3 km (6.4 miles) path that offers pleasant coastal views and sea breezes. Overall, about 40 of the routes in the area are categorized as easy.
For those seeking a longer or more challenging ride, the area offers several moderate routes. The Cowbridge loop from Ogmore via Cafe Velo at Llantwit Major is a moderate 67.4 km (41.9 miles) trail that explores a mix of coastal and inland landscapes, passing through rural areas and villages. There are 65 moderate and 17 difficult routes in total.
Yes, many of the road cycling routes around Merthyr Mawr Warren National Nature Reserve are designed as loops, allowing you to start and finish at the same point. Examples include the View of Dunraven Bay Cliffs – Old Castle upon Alun loop from Ogmore-by-Sea, which is 27.2 km (16.9 miles), or the Ogmore Valley Trails – Coffi Co Lounge loop from Ogmore-by-Sea, covering 39.8 km (24.7 miles).
While road cycling around Merthyr Mawr Warren, you can encounter various points of interest. Routes often pass near the Ogmore River and offer views of the Bristol Channel. You might also spot historical sites like Candleston Castle, a medieval ruin, or Ogmore Castle, which can serve as a scenic starting point for rides. The View of Dunraven Bay Cliffs – Old Castle upon Alun loop from Ogmore-by-Sea specifically leads past historical sites and offers coastal views.
Yes, some routes are designed to include stops at local cafes. For instance, the Cowbridge loop from Ogmore via Cafe Velo at Llantwit Major specifically mentions passing by Cafe Velo. The area also has other cafes and pubs in nearby villages like Ogmore-by-Sea and Porthcawl, which are often incorporated into cycling loops.
The road cycling routes around Merthyr Mawr Warren National Nature Reserve are highly rated by the komoot community, with an average score of 4.5 stars from over 70 reviews. Cyclists often praise the diverse landscapes, including coastal views and rural roads, and the well-paved surfaces that make for an enjoyable ride. The variety of routes catering to different ability levels is also frequently appreciated.
While the core reserve's dunes are not suitable for road bikes, the surrounding area offers family-friendly road cycling options on well-paved surfaces. Look for shorter, easier routes with minimal elevation gain, such as the 10.3 km Coffi Co Lounge – Sand Bay, Porthcawl loop from Porthcawl, which provides a pleasant coastal ride away from heavy traffic.
Parking is generally available in the villages and towns surrounding Merthyr Mawr Warren, such as Ogmore-by-Sea or Porthcawl, which serve as common starting points for many road cycling routes. Specific parking details can often be found on individual route pages on komoot or local council websites.
There are over 120 road cycling routes available around Merthyr Mawr Warren National Nature Reserve on komoot, offering a wide range of options for different skill levels and preferences. This includes approximately 40 easy routes, 65 moderate routes, and 17 difficult routes.
The Merthyr Mawr Warren area offers enjoyable road cycling throughout much of the year. Spring and autumn provide pleasant temperatures and often clearer skies, making them ideal. Summer can also be great, especially for coastal rides with sea breezes. While winter cycling is possible, be prepared for cooler temperatures and potentially wetter conditions.
While road bikes cannot directly access the sand dunes of Merthyr Mawr Warren, many routes in the surrounding area offer glimpses of the unique landscape from a distance. You can enjoy the broader natural setting, including coastal views and the Ogmore River, which are part of the reserve's diverse environment, without venturing onto the sandy terrain.


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