Llangorse Lake Lake
Wales' largest natural lake with historic crannog
Largest natural lake in the Brecon Beacons near Llangorse village; used for sailing, coarse fishing, birdwatching and walks to the lakeshore and surrounding hills.
Llangorse Lake at a Glance#
About Llangorse Lake#
Llangorse Lake is the largest natural lake in southern Wales, located in Powys within the Brecon Beacons (Bannau Brycheiniog) area. The lake is a shallow freshwater body known for its wildlife, recreational use and archaeological interest.
The lake supports a sailing club and watersports, walking routes around the shoreline and significant birdlife, including reedbeds and wetland species. A lakeside country park and visitor facilities serve recreational and wildlife-watching visitors.
Archaeological work has identified a crannog or artificial island in the lake with remains dating to the Iron Age and early medieval periods; finds from the site have shed light on local settlement and craft activity across centuries.
Llangorse Lake sits beside the village of Llangorse in southern Powys, within the hills of the Brecon Beacons National Park and forming a lowland water feature amid upland terrain.
- Recreation and size: It is the largest natural lake in southern Wales and supports sailing, birdwatching and a lakeside country park with walking trails and water-sport facilities.
- Archaeology: An archaeological crannog in the lake dates to the Iron Age and early medieval periods and has produced important finds relating to local settlement and craft activity.
What to See#
- Crannog (lake island): A reconstructed and archaeologically studied crannog (artificial island) dating to the Iron Age and early medieval periods, visible in the lake and interpreted by local displays.
How to Get to Llangorse Lake#
Llangorse Lake is about 6 miles south of Brecon in Powys, Wales. The nearest villages (Llangasty or Bwlch) provide footpaths to the lake; drive via the B4560 and park at marked parking areas by the lake. Local buses from Brecon serve nearby stops in season.
Tips for Visiting Llangorse Lake#
- Hire a kayak or take a guided boat trip to see the crannog (artificial island) up close - the crannog is not visible from all shores.
- Watch for skylarks and warblers in spring; anglers prize the lake for brown trout.
- Combine the lake with a walk up nearby hills for views across the Brecon Beacons.
Best Time to Visit Llangorse Lake#
Late spring through early autumn gives the best access for boating and wildlife; winter can be marshy and cold.
Weather & Climate near Llangorse Lake#
Llangorse Lake's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in February). Temperatures range from 1°C to 20°C. Abundant rainfall (1107 mm/year), wettest in January.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | 2° - 7° | 1° | 126 mm | overcast | 96% | 3.5 m/s | 0.1 low | 8.2h |
| February | Poor | 1° - 6° | 1° | 90 mm | overcast | 94% | 3.4 m/s | 0.1 low | 9.8h |
| March | Poor | 3° - 9° | 3° | 93 mm | overcast | 91% | 3.5 m/s | 0.4 low | 11.7h |
| April | Acceptable | 4° - 11° | 6° | 68 mm | overcast | 86% | 3.1 m/s | 0.8 moderate | 13.7h |
| May | Acceptable | 7° - 15° | 11° | 66 mm | overcast | 84% | 3.0 m/s | 1.1 high | 15.4h |
| June | Good | 10° - 17° | 14° | 70 mm | overcast | 84% | 2.7 m/s | 1.4 high | 16.3h |
| July | Good | 12° - 20° | 16° | 59 mm | overcast | 84% | 2.7 m/s | 1.3 high | 15.9h |
| August | Good | 12° - 20° | 16° | 85 mm | overcast | 86% | 2.5 m/s | 1.0 high | 14.4h |
| September | Good | 10° - 17° | 13° | 97 mm | overcast | 88% | 2.5 m/s | 0.7 moderate | 12.5h |
| October | Acceptable | 7° - 13° | 10° | 107 mm | overcast | 92% | 2.7 m/s | 0.3 low | 10.5h |
| November | Poor | 4° - 10° | 5° | 120 mm | overcast | 95% | 2.7 m/s | 0.1 low | 8.7h |
| December | Poor | 3° - 8° | 3° | 126 mm | overcast | 96% | 3.2 m/s | 0.0 low | 7.7h |