Best lakes around Trallong are found within the Brecon Beacons National Park, an area known for its natural beauty. The region features a variety of water bodies, including natural lakes and reservoirs. These locations offer opportunities for outdoor activities and provide significant habitats for wildlife. The landscape is characterized by its glacial origins and mountainous terrain.
Last updated: June 30, 2026
Highlight • Monument
Tip by
Highlight • Lake
Tip by
Sign up now to discover places like this
Get recommendations on the best single tracks, peaks, & plenty of other exciting outdoor places.
Sign up for free
Highlight • Lake
Tip by
Highlight • Natural
Tip by
Highlight • Summit
Tip by
Sign up for free to discover even more lakes around Trallong.
Sign up for free
Already have an account?
Start today with a free account
Your next adventure awaits.
Login or Signup
Fellow hiking friends have said that this lake has a lot of leeches! 😳
1
0
The views from here are exceptional. To the left you have the beautiful spire of Cribyn, to the right the imposing bulk of Corn Du, and to top it off, in front of you is the last steep, rocky path to the top of Pen y Fan. Simply awesome...!
3
0
High elevation trail for all to explore and enjoy
1
2
Beautiful place, nice spots to wild camp around it. Also great to stop at for lunch.
1
0
Beacons Reservoir is the northernmost of the three reservoirs in the Taff Fawr valley in South Wales. It was built by Cardiff Corporation Waterworks between 1893 and 1897, and the water is impounded by an earth dam with a clay core. Since 1973 it has been owned by Welsh Water.
1
0
The largest natural lake in Mid and South Wales, and a significant feature near Trallong, is Llangorse Lake. It's known for its glacial origin, rich wildlife, and historical crannog.
Yes, Llangorse Lake is famous for having the only known crannog (a man-made island stronghold) in Wales, dating back to the 10th century. Additionally, the Tommy Jones Memorial, an obelisk overlooking Cwm Llwch Lake, commemorates a tragic story from 1900.
Llangorse Lake is a significant habitat for wildlife, including various birds like warblers, coots, swallows, and large flocks of Canada geese. You might also spot elusive water voles, otters, and the scarce blue-tailed damselfly. The Llangasty Nature Reserve further protects the area's biodiversity.
Llangorse Lake is a popular destination for various watersports, including boating, and is renowned for its coarse fishing, particularly for pike. Other reservoirs like Talybont Reservoir generally do not permit water recreation.
Many lakes in the region offer excellent walking opportunities. Cwm Llwch Lake is a beautiful spot for a rest break during hikes beneath Pen y Fan and Corn Du. The Usk Reservoir features easy paths suitable for calm walks, while Talybont Reservoir also has hiking and biking trails. For more detailed routes, explore the hiking guides around Trallong.
Yes, the Usk Reservoir is known for its easy paths and extensive views, making it suitable for families. Llangorse Lake also offers gentle strolls along its perimeter and various recreational activities that can be enjoyed by families.
Llyn Cwm Llwch, a high-mountain glacial lake tucked beneath Pen y Fan, is considered one of the most beautiful in the Brecon Beacons and is popular for wild swimming. Always exercise caution and be aware of local regulations and conditions when wild swimming.
The Brecon Beacons lakes are beautiful year-round. Spring and summer offer pleasant weather for hiking and watersports, with vibrant flora and fauna. Autumn brings stunning fall colors, while winter can offer dramatic, serene landscapes, though conditions may be more challenging for outdoor activities.
While popular spots can get busy, lakes like Llyn y Fan Fach and Llyn y Fan Fawr, located beneath the Carmarthen Fans, offer stunning scenery and ridge walks that can provide a more secluded experience, especially if you venture further on the trails. The drained Upper Neuadd Dam area also offers a unique, stark landscape for exploration.
Beyond hiking, the region offers various outdoor activities. You can find running trails and mountain biking routes throughout the Brecon Beacons National Park, often accessible from areas near the lakes and reservoirs. Llangorse Lake is also a hub for watersports.
Visitors frequently appreciate the spectacular views and peaceful atmosphere. Many find spots like Cwm Llwch Lake ideal for a rest break or picnic. The challenging yet rewarding trails, such as those leading to the Stream and Pond Near Pen y Fan, are also highly rated for their scenic beauty.
Yes, the region includes several man-made reservoirs. The Upper Neuadd Dam marks a drained reservoir, offering a unique landscape to explore. The Beacons Reservoir, built in the late 19th century, is another notable man-made water body in the Taff Fawr valley.


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