Best lakes around Ynysddu are found in the surrounding Caerphilly and wider South Wales region, as Ynysddu itself is a village in the Sirhowy Valley. This area features several notable reservoirs and managed lakes, offering various recreational activities and natural beauty. These locations are accessible from Ynysddu and are recognized for their features, providing opportunities for outdoor exploration.
Last updated: June 30, 2026
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Lisvane and Llanishen Reservoirs forms a vital part of the green and blue infrastructure of Cardiff. The mix of grassland, woodland, scrub and waterside habitats offers opportunities for all kinds of wildlife and nature. There are two Sites of Special Scientific Interest (SSSI) and much of the grassland and woodland outside of the SSSIs is designated as a Site of Importance for Nature Conservation (SINC). Dogs are permitted on the café balcony, car park and Grab & Go seating area only and are not permitted anywhere else on the site, including the paths. Natural Resources Wales has advised that the risk from dogs to the fungi is too great. Waxcaps are very sensitive to changes in habitat such as fluctuations in soil moisture, temperature and nitrate levels which can reduce the production of fruiting bodies. In particular, sudden changes to nitrate levels on the site – from dog urine specifically – can have a detrimental effect on the fungi. There is a fully accessible Visitor Centre with cafe, toilets, free wi-fi, room hire, equipment hire, changing rooms and other facilities include the boathouse, bird hide, education centre, nature trails and paths, bike parking/shelters and car parking.
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Enjoy a pretty stroll through the woodland surrounding Llanishen Reservoir. Well-maintained dirt paths will lead you around the forest where there is a rope swing and stream to discover, a little something for the kids to enjoy too.
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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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Located next to the Greenmeadow Community Farm in Cwmbran this reserve contains ancient woodland and a series of ponds and wetlands which are important for a range of wildlife.
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Cwmbran Boating Lake is only a few minutes walk from Cwmbran town centre. Enjoy a stroll around the lake and feed the geese and ducks; have an ice cream in the café, picnic in the park or have fun in the children's play area. Cwmbran Boating Lake has something for everyone. During the Summer it hosts the very popular Cwmbran Big Event.
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While Ynysddu itself is a village, the surrounding Caerphilly and wider South Wales region offers several notable reservoirs and managed lakes. Popular choices include Cwmbran Boating Lake, known for its flat, easy walks and family amenities, and Llandegfedd Lake, a large reservoir popular for water sports and walking trails. The recently reopened Lisvane and Llanishen Reservoirs also offer a blend of recreation and nature.
Llandegfedd Lake is a hub for both water and land activities. You can enjoy sailing, windsurfing, canoeing, kayaking, paddleboarding, and open water swimming. On land, there are walking trails, archery, and axe throwing. Fishing is also popular, and a visitor center with a café offers panoramic views.
Yes, many lakes in the region offer easy walking options. Cwmbran Boating Lake is known for its flat, easy walk around the lake. Pen-y-fan Pond also provides safe, flat, and open spaces for easy rambles. For more options, you can explore the easy hikes around Ynysddu guide.
Absolutely. Many lakes are very family-friendly. Cwmbran Boating Lake features an adventure playground, skate park, and pedal/row boat hire. Pen-y-fan Pond has an 'Alien Invasion Trail' for kids and open spaces for picnics. Roath Park Lake also offers playgrounds and boating, making it ideal for a family day out.
Yes, boating and fishing are popular activities at several lakes. Cwmbran Boating Lake offers pedal and row boats for hire during summer, and fishing for carp, tench, and perch is possible with a day permit. Roath Park Lake also provides row and pedal boat rentals and fishing opportunities. Llandegfedd Lake and Pen-y-fan Pond also allow various water activities including canoeing and sailing.
The lakes are rich in wildlife. Lisvane and Llanishen Reservoirs are designated Sites of Special Scientific Interest (SSSI) for overwintering birds and unique fungi. Cwmbran Boating Lake is home to various wetland birds, and Roath Park Lake has conservation areas for water birds. The Greenmeadow Community Farm Nature Reserve Stream also contains ancient woodland and wetlands important for a range of wildlife.
Yes, accessibility is a consideration at some locations. The paths around Cwmbran Boating Lake are generally flat and accessible. Lisvane and Llanishen Reservoirs also offer a fully accessible Visitor Centre and dedicated paths, though specific restrictions for dogs apply to protect sensitive habitats.
Dog policies vary by location. At Lisvane and Llanishen Reservoirs, dogs are permitted on the café balcony, car park, and Grab & Go seating area only, but not on the paths due to the ecological sensitivity of the site. It's always best to check specific regulations for each lake before your visit.
Several lakes offer convenient amenities. Llandegfedd Lake has a visitor center with a café. Cwmbran Boating Lake features a café and picnic areas. Lisvane and Llanishen Reservoirs also boast a new visitor center with a café. Roath Park provides a café and various facilities within the park.
Beyond the lakes themselves, the region offers diverse outdoor activities. You can find various hiking trails, including easy options like the 'Sirhowy Walk loop from Cwmfelinfach'. For cyclists, there are road cycling routes such as the 'Pontymoile Basin – Monmouthshire Canal Towpath loop'. Explore more options in the hiking around Ynysddu and road cycling routes around Ynysddu guides.
The lakes can be enjoyed year-round, with each season offering a different experience. Spring and summer are ideal for water sports, boating, and enjoying the lush greenery and warmer weather. Autumn brings beautiful foliage for walks, while winter can offer peaceful, crisp strolls, though some facilities or activities might be seasonal.
Yes, most of the larger lake destinations provide dedicated parking facilities. For instance, Llandegfedd Lake, Cwmbran Boating Lake, and Lisvane and Llanishen Reservoirs all have visitor car parks. It's advisable to check specific location details for any potential parking fees or capacity limitations, especially during peak times.


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