Plynlimon

Related Category: British and Irish Physical Geography

or Plinlimon(both: plĭnlĭm´ən), Welsh Plumlumon Fawr, mountain, 2,468 ft (752 m) high, W Wales, on the Powys-Ceredigion border W of Llanidloes. It has three summits and is the source of the Wye, Severn, and other waters.