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
North Solitary Island Light North Solitary Island Light North Solitary Island Light is an active lighthouse on North Solitary Island, a large island off the coast of New South Wales, Australia. The light is located on the summit of the island which is on the northern section of the island. The light shows two white flashes every ten seconds, emitted from a lamp on top of a fiberglass hut with no lantern. It is solar powered and totally automated. The light is operated by the Australian Maritime Safety Authority, while the site is managed by the New South Wales Maritime Parks Authority as part