Best lakes around Llangurig serve as a gateway to exploring Mid Wales' significant water bodies. The area is characterized by rolling countryside and rugged Welsh landscapes. Llangurig provides access to both the Elan Valley Reservoirs and Clywedog Reservoir, which are notable for their engineering and natural surroundings. These locations offer a variety of outdoor activities and scenic views within the Cambrian Mountains.
Last updated: July 3, 2026
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Built primarily to regulate the flow of water in the River Severn, the Clywedog Dam is an impressive sight. It's the tallest concrete dam in Britain, at 236 feet (72 m) high, while it's also 750 feet (230 m) wide. There are two marked hiking trails on the reservoir.
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A good way into the valley. A flat out gravel surface that winds around the dams for miles
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Pen y Garreg Dam third of the Elan Valley Dams, also known as the middle dam. This dam houses an access tunnel to the central tower which is lit by apertures in the downstream side of the dam. Height - 123 ft above river bed. Beautiful scenery a great ride around this area.
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Llyn Clywedog was the Tallest in the British Isle built purposely to control the level of water to help prevent any future flooding from the source of the River Seven. By Building this absolutely incredible huge 6 mile long dam, one that was the tallest in the British isles, which is amazingly huge in actual size all around! This mammoth body of water is solely to take the huge pressure off the constant mass of floods which would fill up and submerge the surrounding valleys! At the foot of the dam there is a remains of a old lead mine! All structures you can see standing still today. HIGHLY RECOMMEND
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The primary lake areas near Llangurig are the Elan Valley Reservoirs and Clywedog Reservoir. Both are man-made but offer stunning natural beauty, diverse activities, and impressive engineering feats.
Yes, both the Elan Valley and Clywedog Reservoir offer family-friendly options. The Elan Valley has adventure play areas, a visitor centre with a dog-friendly café, and workshops during school holidays. Many trails, like the Elan Valley Trail, are suitable for families. Clywedog Reservoir also provides easy walking trails and opportunities for wildlife spotting.
You can enjoy a wide range of outdoor activities. The Elan Valley is excellent for walking, mountain biking, bird watching, fishing, and horse riding. Clywedog Reservoir is popular for fishing, sailing, and hiking. For specific routes, explore Running Trails around Llangurig, MTB Trails around Llangurig, and Easy hikes around Llangurig.
Absolutely. The Elan Valley features six impressive Victorian dams, including Pen-y-Garreg Dam, which has a unique access tunnel. Clywedog Reservoir is home to the UK's tallest concrete buttress dam, Clywedog Dam. Additionally, at the southern end of Clywedog, you can explore the well-preserved ruins of the Bryntail Lead Mine, offering a glimpse into the region's industrial past.
Both areas boast stunning scenery with rolling countryside, rugged Welsh landscapes, and ancient woodlands. The Elan Valley is an International Dark Sky Park, perfect for stargazing. Clywedog Reservoir is a haven for wildlife, including ospreys (which have nested there since 2014), red kites, and buzzards. You might also spot various other bird species and local fauna.
Yes, there are numerous walking trails. The Elan Valley offers routes from gentle strolls to challenging hikes, including the popular Elan Valley Trail. Clywedog Reservoir has a circular 15-mile drive with viewing points and various walking trails. For easier options, consider routes like the 'Clywedog Dam – Yr Allt Summit Path loop' found in the Easy hikes around Llangurig guide.
The lakes are beautiful year-round, but spring and summer offer the best weather for outdoor activities like hiking and cycling. Autumn brings stunning foliage, while clear winter nights are ideal for stargazing in the Elan Valley's Dark Sky Park. Always check local weather conditions before your visit.
Yes, mountain biking is a popular activity, especially in the Elan Valley, where bike hire is readily available. The Elan Valley Trail is a well-known cycle route. You can find more challenging trails, such as the High as a Kite Red Trail, and other options in the MTB Trails around Llangurig guide.
The Elan Valley is unique for its spectacular man-made system of interconnected reservoirs and six Victorian dams, set within 72 square miles of breathtaking Cambrian Mountains scenery. It's also recognized as an International Dark Sky Park, offering exceptional stargazing opportunities.
Clywedog Reservoir is notable for being home to the tallest concrete buttress dam in the UK, standing 72 meters high. It's also a significant site for wildlife, particularly known for its osprey population, and offers a blend of impressive engineering with rich natural biodiversity and historical ruins like the Bryntail Lead Mine.
Yes, many viewpoints offer stunning vistas. Pen-y-Garreg Dam in the Elan Valley is a popular viewpoint. Clywedog Reservoir also features numerous viewing points along its circular drive. For high-altitude views, the Pen Pumlumon Llygad-Bychan summit offers lovely views across the Cambrian Mountains, with a picturesque glacial lake nearby.
For more details on the Elan Valley, you can visit Visit Wales. For information on Clywedog Reservoir, Visit Mid Wales provides additional context.


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