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
Sheep Island, Argyll Sheep Island, Argyll Sheep Island is a small uninhabited island situated off the southern tip of the Kintyre peninsula in Scotland. Sheep Island, along with Sanda Island and Glunimore Island, form a small group of islands approximately south of Kintyre at . Running roughly north to south, the island is around long, and is steep and precipitous along the west coast, rising to a maximum height of . There is a cave on the west coast and a natural arch at the northwest of the island. A considerable reef of drying rocks surrounds the island and makes landing on the