Y Garn is Welsh for the cairn or the rock and is the name of several hills in Wales.
Since 1987 it has been unmanned, and controlled automatically from Harwich.
Dewi Morgan moved with his family to Pen-y-garn when he was two years old, after his father built and opened a grocer’s shop there called Garn House.
Penygarn, Torfaen - a village in Torfaen, in the ward of St Cadocs/Penygarn, Wales