Llyn y Fan Fawr outflow is to the River Tawe. Much of the land around the lake is peaty and thus wet underfoot. Llyn y Fan Fawr Llyn y Fan Fawr (Welsh: 'lake of the big peak') 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 (Welsh"Y Mynydd Du") 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.
Mount Sage National Park Some of the ferns, flowers, and vines which grow in the park are not found elsewhere on Tortola. Fauna reported from the park are hermit crab ("Calliactis"). Avifauna includes American kestrel), called "kili kili" hawk locally, red-tailed hawks, Caribbean martin, mountain dove, and pearly-eyed thrasher. Mount Sage National Park Mount Sage National Park is a protected area of the British Virgin Islands. It is named after the highest peak of the island of Tortola, Mount Sage. The Mount Sage volcanic peak rises to a height of , and is thus the highest point in all of the Virgin Islands. The