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 height of 29 metres. It is the oldest of the Arran lighthouses and situated on the Isle of Pladda just off the Southern tip of the Isle of Arran. Pladda lighthouse is not only the oldest lighthouse around Arran but also one of the oldest lighthouses in Scotland. Pladda lighthouse was built in 1790 by Thomas Smith and showing a lower light from a small lantern 20 feet below the main light to allow seafareres to distinguish Pladda from other lighthouses close by, notably those on the Mull of Kintyre, Cumbrae and Copeland at the Irish coast. The lighthouse was