Puffin Island (Anglesey)
…at 192 feet (59 m) above sea level, having steep cliffs on all sides. It has an area of 69 acres (0.28 km2). The island is privately owned by the Baron Hill estate. The Welsh name, Ynys Seiriol, refers to Saint Seiriol. The son of Owain Ddantgwyn, a 5th-century ruler of the Kingdom of Gwynedd, and the brother…