North Stack North Stack North Stack (Welsh: Ynys Arw, meaning "rugged island") is a small island situated just off Holy Island on the north-west coast of Anglesey. North Stack can also refer to the headland opposite the island. This is the site of a redundant fog warning station, comprising a number of buildings, including the Trinity House Magazine, built in 1861, where shells for the warning cannon were stored. These buildings now house a bird watching observatory, giving a view of South Stack lighthouse across Gogarth Bay, and the studio of artist Philippa Jacobs. The Precambrian quartzite cliffs of this headland, including
Lighthouses on the Isle of Arran the east coast of the Isle of Arran at the south entrance of Lamlash Bay. The lighthouse was built in 1877. With automation at the beginning of the 20th century, one lightkeeper was made redundant. At the same time, an oil tank was set up on the pier at Holy Isle. The oil was then pumped to the light house by air pressure where before, oil barrels had to be landed and then rolled to the oil cellar and pumped by hand into the cisterns. In 1977, the Holy Island lighthouses were electrified, fully automated and classified as unattended at