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South Wales
Rhondda Cynon Taf

Treorchy

Top 8 Lakes around Treorchy

Best lakes around Treorchy are situated in a region known for its valleys and surrounding mountains, presenting a landscape shaped by both natural features and industrial heritage. While large natural lakes are not prominent within Treorchy itself, the area features several significant reservoirs and ponds. These water bodies provide diverse outdoor opportunities, from tranquil walks to recreational activities. The landscape around Treorchy offers a blend of natural beauty and reclaimed industrial sites for public enjoyment.

Best lakes around Treorchy

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Last updated: June 30, 2026

Lluest-wen Reservoir Dam Wall

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Lluest-wen Reservoir was constructed in 1898, but came to national attention in 1969 when a major leak caused an evacuation of residents down-valley while emergency repair work was carried out. …

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Dare Valley Country Park has a visitor centre and cafe, check opening times before relying on facilities.

The paths can be wet and boggy at times, and if you're following …

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Crossing the moorland from Rhigos towards Aberdare is a network of gravel forest roads.

Great in the sun, but not so good with the wind in your face, it's an …

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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 …

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At the far point of the Skyline trail is a viewpoint where you can look out into the Brecon Beacons, and hopefully (on a clear day) catch a glimpse of the National Park's highest peak – Pen y Fan.

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Mark Jacobs
April 7, 2026, Lluest-wen Reservoir Dam Wall

The water here is stunning in the sunlight. A good place to take a few moments to rest the legs.

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Dare Valley Country Park has a visitor centre and cafe, check opening times before relying on facilities.Dare Valley Country Park has a visitor centre and cafe, check opening times before relying on facilities.

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Lluest-wen Reservoir was constructed in 1898, but came to national attention in 1969 when a major leak caused an evacuation of residents down-valley while emergency repair work was carried out. Back in 1929 the place set a maximum daily rainfall record for Wales, with 211mm of rain recorded. You have been warned!

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Lluest-wen Reservoir was constructed in 1898, but came to national attention in 1969 when a major leak caused an evacuation of residents down-valley while emergency repair work was carried out. Back in 1929 the place set a maximum daily rainfall record for Wales, with 211mm of rain recorded. You have been warned!

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Dare Valley Country Park has a visitor centre and cafe, check opening times before relying on facilities. The paths can be wet and boggy at times, and if you're following the Penrhiwllech trail over the plateau of Tarren y Bwlfa, be aware of cliff edges!

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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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Fun singletrack which breaks up the many km's on gravel firetrack road.

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Great trail running along the ridge line overlooking the nature reserve.

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Frequently Asked Questions

What types of lakes can I find around Treorchy?

While Treorchy itself doesn't feature large natural lakes, the surrounding area is home to several significant reservoirs and ponds. These include large bodies of water like Pontsticill Reservoir, smaller fishing reservoirs such as Dinas Reservoir, and ponds integrated into local walks like those on the Ty'n y Bedw Forest Walk and Parc Nant-y-Waun.

Are there family-friendly lakes near Treorchy?

Yes, several lakes are great for families. The Lake at Dare Valley Country Park is particularly family-friendly, featuring a visitor centre and cafe. Cwm Clydach Countryside Park also offers an on-site cafe and opportunities for wildlife spotting, making it suitable for a family day out.

Where can I go for easy lake walks around Treorchy?

For easy walks, consider the ponds along the Ty'n y Bedw Forest Walk, which starts from Treorchy High Street and offers accessible paths and views. Parc Nant-y-Waun also features wheelchair-friendly pathways around its three ponds, ideal for a gentle stroll. For more options, you can explore easy hiking routes around Treorchy.

Can I go wild swimming or paddleboarding in any of the lakes?

Pontsticill Reservoir, located in the Brecon Beacons, is a popular spot for wild swimming and paddleboarding. Its clean waters and stunning hill backdrop make it an ideal location for these activities.

Which lakes are good for fishing near Treorchy?

Dinas Reservoir is well-known for its fishing opportunities, regularly stocked with brown and rainbow trout, and also containing small perch. Both fly, spinning, and worming are permitted, making it suitable for various anglers. Additionally, the Machine Pond at Parc Nant-y-Waun is managed by an angling club and stocked with species like perch, bream, tench, roach, pike, and carp.

Are there accessible lakes for wheelchair users?

Yes, Parc Nant-y-Waun, located in Brynmawr, has been developed with wheelchair-friendly pathways around its three significant ponds (Machine Pond, Horsetail Pond, and Mustard Pond), making it accessible for nature studies and general enjoyment.

What kind of wildlife can I spot around the lakes?

At Cwm Clydach Countryside Park, you might spot kingfishers, herons, butterflies, and newts. Parc Nant-y-Waun also features artificial nesting islands on the Machine Pond to encourage wildfowl, and Dinas Reservoir is known for good falls of terrestrial insects like coch-y-bonddu beetles during summer months.

Are there any historical sites related to the lakes?

Yes, the Lluest-wen Reservoir has a notable history; constructed in 1898, it gained national attention in 1969 due to a major leak. The Machine Pond and Horsetail Pond at Parc Nant-y-Waun are also of archaeological importance, dating back to between 1796 and 1820, having once supplied the Nantyglo ironworks.

What outdoor activities can I do near these lakes besides walking?

Near the lakes, you can find various outdoor activities. The area around Gravel Roads by Lluest-Wen Reservoir and Wind Farm offers a network of gravel forest roads, particularly suitable for cycling. You can also explore road cycling routes or hiking trails around Treorchy that pass by some of these water bodies.

Is there a good viewpoint to see Llyn Fawr?

Yes, the View of Llyn Fawr from the Skyline Trail offers a great vantage point. From this viewpoint, you can look out into the Brecon Beacons and, on a clear day, potentially catch a glimpse of Pen y Fan, the National Park's highest peak.

What do visitors enjoy most about the lakes around Treorchy?

Visitors appreciate the blend of natural beauty and reclaimed industrial sites. Many enjoy the tranquil settings for walks, the opportunities for wildlife spotting, and the family-friendly facilities available at places like Dare Valley Country Park. The gravel roads near Lluest-Wen Reservoir are also popular for cycling, offering a way to explore the landscape off-tarmac.

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

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