Penmynydd, meaning top of the mountain in Welsh, is a village on Anglesey island, off the north west coast of Wales, situated on a slight hill on the B5420 road between Menai Bridge and Llangefni, at . The Royal Mail postcode begins LL61 with a community population taken at the 2011 cenus of 465. When Welsh nobleman Rhys ap Tudur was executed in 1412, lands of the Penmynydd family were forfeited. The village includes the Neuadd Lwyd, a former Victorian rectory that was converted into a country-house hotel. The village is notable for its almshouses. A radio communication transmission mast was installed in 2002 a few yards north of the village at the top of the hill.