![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Llyn_y_Fan_Fawr.jpg/640px-Llyn_y_Fan_Fawr.jpg&w=640&q=50)
Llyn y Fan Fawr
Lake in Powys, Wales / From Wikipedia, the free encyclopedia
Llyn y Fan Fawr (Welsh for 'great lake (near) the peak')[1] is a natural lake in the county of Powys, Wales. It lies at the foot of Fan Brycheiniog,[2] the highest peak of the Black Mountain (Y Mynydd Du) range within the Brecon Beacons National Park. Created as a result of glacial action,[3] it is one of the largest glacial lakes in southern Wales.[4] The lake is roughly rectangular in shape with its long axis oriented roughly north–south.[citation needed]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Llyn_y_Fan_Fawr_from_a_small_beach.jpg/640px-Llyn_y_Fan_Fawr_from_a_small_beach.jpg)
Quick Facts Location, Coordinates ...
Llyn y Fan Fawr | |
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Location | Powys, Wales |
Coordinates | 51°52′52″N 3°42′0″W |
Type | natural |
Primary outflows | Nant y Llyn, tributary of River Tawe |
Basin countries | United Kingdom |
Surface elevation | 605 m (1815 feet) |
Close
The surface of Llyn y Fan Fawr lies at about 1815 feet or 605m above sea level.[5][6] Its primary outflow is to the River Tawe.[7] Much of the land around the lake is peaty and thus wet underfoot.