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Rhondda Cynon Taf

Rhigos

Top 8 Lakes around Rhigos

Best lakes around Rhigos are situated in a landscape shaped by glacial activity, offering a variety of natural and man-made water bodies. This area, part of Rhondda Cynon Taf, features reservoirs and glacial lakes nestled within mountain settings. The region provides opportunities for exploring diverse natural environments and historical sites. Visitors can find both tranquil natural lakes and larger reservoirs with established walking routes.

Best lakes around Rhigos

  • The most popular lakes is Gravel Roads by Lluest-Wen Reservoir and Wind…

Last updated: June 30, 2026

Llwyn-on Reservoir Dam

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Llwyn-on reservoir, built in 1926, covers 150 acres and is the largest of the three in the Taff Fawr Valleys area. Walking along the shore you can be immersed in …

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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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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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Popular around Rhigos

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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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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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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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Adie
January 10, 2023, Llwyn-on Reservoir Dam

Llwyn-on reservoir, built in 1926, covers 150 acres and is the largest of the three in the Taff Fawr Valleys area. Walking along the shore you can be immersed in the fresh smells of the conifer forest and lapping sounds of the deep blue water - an ideal habitat for otters, great crested grebes, goldeneye, goosander and coot.

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Frequently Asked Questions

What are the best lakes around Rhigos for walking and cycling?

For walking and cycling, Gravel Roads by Lluest-Wen Reservoir and Wind Farm offers a network of gravel forest roads, ideal for covering ground quickly off paved roads. Lluest Wen Reservoir itself is popular for walking, cycling, and horse riding, with a 7km route around it. The Coed Morgannwg Way and National Cycle Network Route 47 also run nearby.

Are there any family-friendly lakes in the Rhigos area?

Yes, Lake at Dare Valley Country Park is a great family-friendly option, offering visitor facilities within the park. Additionally, the walk to Lluest Wen Reservoir from Maerdy has a shorter, well-maintained path suitable for families and pushchairs. Castell Nos Reservoir also features well-maintained paths, making it suitable for families.

What natural features can I expect to see around the lakes near Rhigos?

The lakes around Rhigos are set in a landscape shaped by glacial activity. You can find dramatic mountain settings, especially around Llyn Fawr and Llyn Fach. Llyn Fach, part of the Craig-y-Llyn SSSI, is known for its diverse flora and fauna, including montane species, various dragonflies, and even otters. Llwyn-on Reservoir Dam offers views of conifer forests and is an ideal habitat for otters, great crested grebes, and other birds.

Are there historical sites or points of interest near the lakes?

Yes, the area holds historical significance. Llyn Fawr is notable for the discovery of the Llyn Fawr Hoard, an important collection of Late Bronze Age and Early Iron Age artifacts. Near Castell Nos Reservoir, you can find the ruins of the medieval Castell Nos, believed to have been built by descendants of the last Welsh King of Glamorgan. Lluest Wen Reservoir, built in 1898, also has a history, including a major leak in 1969 that led to an evacuation.

What kind of wildlife can be observed at the lakes?

Llyn Fach, a nutrient-poor glacial lake, is a haven for diverse wildlife, including rare plant species like Wilson's Filmy Fern and Fir Clubmoss. It supports one of the last remaining populations of Water Vole in Glamorgan and is home to various dragonflies, damselflies, frogs, toads, and newts. Otters are frequent visitors, and various birds, including birds of prey, can be spotted. Llwyn-on Reservoir Dam also provides an ideal habitat for otters, great crested grebes, goldeneye, goosander, and coot.

Are there any easy walking trails around the lakes?

Yes, there are easy walking options. The path to Lluest Wen Reservoir from Maerdy is well-maintained and suitable for a gentler pace. The Maerdy Reservoir Walk around Castell Nos Reservoir also features well-maintained paths. For more options, you can explore easy hikes around Rhigos, which include routes like the Michael Hewitt Memorial loop from Llyn Fawr.

What outdoor activities are available near the lakes in Rhigos?

Beyond walking and cycling, the area offers a range of outdoor activities. You can enjoy fishing at Lluest Wen Reservoir. For more adventurous activities, the Phoenix zip line at Zip World Tower soars over Llyn Fawr. There are also various cycling routes, including touring bicycle options like the Lluest-Wen Reservoir – Rhigos Mountain Fire Roads loop, and road cycling routes such as the Penderyn Moor Climb – Beacons Reservoir loop.

Where can I find panoramic views of the lakes and surrounding landscape?

For breathtaking panoramic views, consider visiting the Rhigos Mountain viewpoint, which offers vistas over Llyn Fawr and the surrounding valleys. Another excellent spot is the View of Llyn Fawr from the Skyline Trail, where on a clear day, you might even glimpse Pen y Fan, the highest peak in the Brecon Beacons.

Is it possible to access the lakes by public transport or are there parking facilities?

While specific public transport details for each lake are not provided, the region is generally accessible by car. Many popular walking routes, such as those around Lluest Wen Reservoir and Castell Nos Reservoir, are known to have well-maintained paths, suggesting accessibility. For specific parking information, it's advisable to check local resources or visitor centers for the particular lake you plan to visit.

What is the best time of year to visit the lakes around Rhigos?

The lakes offer beauty throughout the year, but the best time often depends on your preferred activities. Spring and summer provide pleasant weather for walking, cycling, and wildlife spotting, especially around Llyn Fach. Autumn brings vibrant colors to the surrounding woodlands. While winter hiking is possible, be prepared for potentially challenging weather conditions, as Lluest Wen Reservoir once set a maximum daily rainfall record for Wales.

Are there any hidden gems or tranquil spots among the lakes?

Llyn Fach is considered a tranquil and remote experience, offering a relatively undisturbed natural environment for nature enthusiasts. Its challenging access contributes to its secluded feel. The Maerdy Reservoir Walk around Castell Nos Reservoir also offers secret picnic spots and opportunities to enjoy tranquil waters amidst hillsides.

Can I find refreshments or visitor facilities near the lakes?

Yes, some lakes offer facilities. Lake at Dare Valley Country Park has a visitor center and cafe. Near Llwyn-on Reservoir Dam, you can find refreshments at the Garwnant Visitor Centre on the north shore, and there are sometimes roadside 'scoff' vans in nearby lay-bys.

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