Best lakes around Abercynon are situated within the Rhondda Cynon Taf area, a region in South Wales characterized by its river valleys and hills. This landscape, shaped by its industrial past, now features numerous country parks and nature reserves. These areas offer a blend of natural features and historical significance, providing diverse outdoor experiences.
Last updated: June 30, 2026
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Cwm Clydach Countryside Park is an oasis of calm for wildlife with stunning views that has been created from the blackened scar of a coal mine. Walking alongside the lakes offers the chance to spot Kingfishers, herons, butterflies, newts and more. The two lakes are referred to as the “top lake” and “bottom lake” and there are also waterfalls. For refreshments, there is an on-site cafe.
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Stunning surroundings here at Aberdare Park it's got lots to keep the kids entertained.. As well as the adults
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Taff Bargoed country park is made from what used to be 3 coal mines: Deep Navigation (1879-1991), Taff Merthyr (1926-1993), and Trelewis (1954-1993).
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Such a beautiful and serene reservoir to visit.
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Go there on a clear blue sky day...the views across the reservoir are fantastic, autumn colours further enhance the beauty. The late Victorian build of the dam and surrounding culverts are as fine example of stone masonry craftsmanship as any I've seen.
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The region offers a variety of water bodies. You can explore the wildlife-rich Cwm Clydach Countryside Park, which features two lakes and waterfalls. Another significant spot is Taff Bargoed Country Park, developed from former coal mines into green spaces with water features. Further afield, Nant Glydach Reservoir and Dam offers serene views, especially in autumn. For a larger natural setting, Llwyn-on Reservoir in the Taff Fawr Valleys is known for its deep blue waters and surrounding conifer forests.
Yes, several lakes are well-suited for families. Cwm Clydach Countryside Park is family-friendly and even has an on-site cafe. Taff Bargoed Country Park also offers green spaces for recreation. For a more active family outing, Paddle Boats on Aberdare Park Lake provides entertainment, and Pen-y-fan Pond in Caerphilly is listed as suitable for all ages with parks and playgrounds.
The lakes are ideal for nature observation. At Cwm Clydach Countryside Park, you might spot kingfishers, herons, butterflies, and newts. Llwyn-on Reservoir is also an excellent habitat for wildlife, including otters, great crested grebes, goldeneye, goosander, and coot.
While the lakes can be enjoyed year-round, autumn is particularly recommended for places like Nant Glydach Reservoir and Dam, where the views across the water are enhanced by the vibrant autumn colours. Spring and summer offer pleasant weather for walking and outdoor activities.
While many local lakes are more focused on walking and nature, Llandegfedd Lake, located near Pontypool (about 15.6 miles from Abercynon), is specifically known for its watersports activities.
Many of the lake areas in the Rhondda Cynon Taf region have a rich industrial past. For example, Taff Bargoed Country Park was developed from three former coal mines. Similarly, Cwm Clydach Countryside Park was created from a former coal mine site. Nant Glydach Reservoir and Dam features a late Victorian dam, showcasing fine stone masonry craftsmanship.
Yes, for refreshments, Cwm Clydach Countryside Park has an on-site cafe. Other country parks like Bryngarw Country Park also offer facilities and green spaces.
The area around Abercynon offers various routes for outdoor enthusiasts. For road cycling, you can find routes like the 'Cwm Cadlan Nature Reserve – Llwyn-on Reservoir Dam loop'. Gravel biking options include the 'Talybont Reservoir – Pontsticill Reservoir loop'. Runners can explore trails such as the 'Penallta Park Bike Path – Hengoed Viaduct loop'. You can find more details on these and other routes in the dedicated guides for Road Cycling Routes around Abercynon, Gravel biking around Abercynon, and Running Trails around Abercynon.
While not a 'hidden gem' in the sense of being unknown, Llwyn-on Reservoir, being the largest of three in the Taff Fawr Valleys, offers a vast and immersive natural experience that might be less frequented by those sticking only to the immediate Abercynon vicinity. Its deep blue waters and conifer forests provide a fresh, natural scent and a tranquil atmosphere.
Visitors appreciate the transformation of former industrial sites into beautiful natural spaces, offering a blend of history and nature. The serene atmosphere of places like Nant Glydach Reservoir and Dam and the abundant wildlife at Cwm Clydach Countryside Park are frequently highlighted. The opportunity for peaceful walks and family-friendly activities also makes these lakes popular.
Many of the country parks and reservoir areas are designed with walking in mind, often featuring paths that allow for circular routes around the water bodies. While specific route details vary, places like Cwm Clydach Countryside Park offer paths alongside its two lakes, making it easy to create a pleasant loop.


Still not found your perfect lake around Abercynon? Check out the guides of these regions to see even more beautiful places.