1) Black Mountain, Wales 
Cribarth is a hill in the Brecon Beacons National Park in the county of Powys, south Wales. The summit lies on the broken ridge at an elevation of 428m at OS grid reference SN 831143. To its west is a 426m high rounded top at SN 829144 which lies just to the northwest of a mile long ridge which forms the main bulk of the hill. The ridge attains a ...