Best lakes around Llywel are found within Powys, Wales, an area situated near the Brecon Beacons National Park. This region is characterized by its natural landscapes, including glacial lakes and reservoirs. Llywel serves as a base for exploring these aquatic features and the surrounding rugged terrain. The area offers opportunities for experiencing both natural beauty and local folklore.
Last updated: May 2, 2026
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Tucked away in a dreamy, isolated location in the upper Swansea Valley, Craig-y-nos Country Park is a gorgouous 40-acre park that was once owned by Adelina Patti. Now it is a Victorian garden set in woodlands, surrounded by meadows and ponds, dissected by the River Tawe. It is in a gorgeous location, and there is a great cafe there to boot.
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The views down onto Llyn Y Fawr from here is pretty spectacular. This is one of the nicest places in the Brecon Beacons to walk along. Once you have put in the effort to get here, the ridge has a good footpath, there's a nice walled shelter and the views down towards the lake is pretty awesome on a good day.
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Ahhhh Llyn Y Fan Fawr, this glaciated lake is about the nicest place you can be on a hot summers day or even a cold winter's morning. It has been central to my working life in the hills for nearly forty years. It is just so perfectly locacted and makes for a good check point with groups, a rest spot, a camping spot and a perfect wild swimming spot on a hot day. Don't listen to the naysayers, this has been an iconic wild swimming spot for eons. Apart from that it will be a tad cold, it is just about one of the best swim spots in the Brecon Beacons.
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A quieter route that leads to the lake. Beautiful and challenging. ideal for all weathers.
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Fan Brycheiniog is the highest peak at a height of 802.5 metres in the Black Mountain region of the Brecon Beacons National Park in southern Wales. There is a trig point at the peak and on the edge of the escarpment, and nearby, a stone shelter with an inner seat.
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Fan Brycheiniog is the highest peak at a height of 802.5 metres in the Black Mountain region of the Brecon Beacons National Park in southern Wales. There is a trig point at the peak and on the edge of the escarpment, and nearby, a stone shelter with an inner seat.
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Llyn y Fan Fawr is a natural lake in the county of Powys, Wales. It lies at the foot of Fan Brycheiniog, the highest peak of the Black Mountain range within the Brecon Beacons National Park. Created as a result of glacial action, it is one of the largest glacial lakes in southern Wales. The lake is roughly rectangular in shape with its long axis oriented roughly north–south.
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The Llywel area, situated near the Brecon Beacons National Park, features a variety of water bodies. You'll find dramatic glacial lakes like Llyn y Fan Fach and Llyn y Fan Fawr, as well as scenic reservoirs such as Usk Reservoir and Talybont Reservoir, which offer tranquil environments for various activities.
Yes, Llyn y Fan Fach is famously associated with the legend of the Lady of the Lake, a significant piece of Welsh folklore. Additionally, Llangorse Lake, the largest natural lake in South Wales, holds historical importance with Wales's only natural crannog.
For stunning views and challenging hikes, Llyn y Fan Fach and Llyn y Fan Fawr are excellent choices, nestled below the Black Mountain escarpment. The summits of Fan Brycheiniog and Picws Du also offer incredible panoramic views over these lakes and the rugged landscape.
Yes, Craig-y-Nos Country Park and Castle is a great option for families. This 40-acre Victorian country park features picturesque lakes and gentle paths, making it suitable for all ages. It's managed by the Brecon Beacons National Park authority and offers a relaxed environment.
Yes, Llyn y Fan Fawr is a popular and iconic spot for wild swimming, especially on a warm day. It's known for its perfectly located, glaciated waters, though be prepared for the cold!
The area offers diverse outdoor activities. You can enjoy cycling routes like the 'Usk Reservoir Track' or 'Trecastle and Myddfai loop' (Cycling around Llywel). For mountain biking, explore trails such as 'Usk Reservoir and Glasfynydd Forest loop' (MTB Trails around Llywel). Quiet walks, birdwatching, and fishing are also popular, particularly around Usk Reservoir and Llangorse Lake.
Yes, Usk Reservoir is a popular spot for cycling. You can find routes like the 'Usk Reservoir Track – Stream Under Old Metal Bridge loop' which is an easy ride, or more challenging options like the 'Trecastle and Myddfai loop from Usk Reservoir'. More details can be found in the Cycling around Llywel guide.
Visitors frequently praise the dramatic, unspoiled scenery and the sense of tranquility offered by lakes like Llyn y Fan Fach. The opportunity for peaceful walks, the rich folklore, and the stunning views from escarpments like Fan Brycheiniog are also highly valued. Many appreciate the feeling of escapism and connection with nature.
Yes, there is a car park for Llyn y Fan Fach, though it is noted to be small and can get busy. The access roads to the car park can be tight, so driving slowly is recommended. For other lakes, parking availability varies, but many popular trailheads in the Brecon Beacons generally have designated parking areas.
The Brecon Beacons lakes are beautiful year-round, but the best time often depends on your preferred activities. Spring and summer offer milder weather for hiking, wild swimming, and water sports. Autumn brings stunning foliage, while winter can provide dramatic, misty landscapes, though conditions can be challenging for hiking. Always check local weather forecasts before your visit.
While some remote lakes like Llyn y Fan Fach have limited amenities nearby, Craig-y-Nos Country Park features a great cafe. For other areas, it's advisable to check local villages like Trecastle or Llywel for pubs and cafes, or to bring your own provisions, especially for more remote excursions.
Many trails around the Brecon Beacons lakes are dog-friendly, but it's important to keep dogs under control, especially in areas with livestock or ground-nesting birds. Craig-y-Nos Country Park is particularly welcoming to dogs, with acres of fields to explore. Always follow the Countryside Code.


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