The Preseli transmitting station (formerly spelt Presely) is a broadcasting and telecommunications facility on the eastern end of the Preseli Mountains, close to the villages of Crymych and Pentre Galar in Pembrokeshire, Wales (grid reference SN172306). It is owned and operated by Arqiva. The Welsh region ITV programming was initially provided by Teledu Cymru which was taken over by TWW in 1964, and eventually HTV Wales who took over from 1968.