Llyn Cwm Llwch both Pen y Fan and Corn Du and indeed from the spur of Pen Milan to its west. Llyn Cwm Llwch Llyn Cwm Llwch () is a small lake or pool in the Brecon Beacons National Park in Powys, Wales. It is between 1 and 2 acres: much smaller than the two glacial lakes in the west of the Black Mountain (range): Llyn y Fan Fawr and Llyn y Fan Fach. It is of glacial origin, occupying a rock hollow beneath the peaks of Pen y Fan and Corn Du in the central Brecon Beacons. It is drained by the
Muránska planina National Park about 25 km. The lowest situated site in the national park is located close to the village of Muráň at an altitude of 400m AMSL. The highest point is Fabova hoľa at 1,439 m AMSL, however, a higher peak, Stolica at 1,476 m is located in the buffer zone. Stolica is also the highest peak of the Slovak Ore Mountains. There are more than 150 notable caves, which are inaccessible to the public. Flora in the National Park is notable for its biodiversity and species richness and includes 35 endemic and sub-endemic species, for example, "Daphne arbuscula". Forests cover about