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
Prince of Wales Island (Alaska) the northern portion of the island. In December 1975, Judge von der Heydt issued a ruling enjoining all clearcutting on the on Northern Prince of Wales Island west of a line from the west side of Red Bay to the easternmost point of Calder Bay. In March 1976, the United States Congress responded to the suit by passing the National Forest Management Act, which removed the injunction. Still, only half of the marketable timber was cut on the north end of the island. Road construction and logging on the north end of the island at Labouchere Bay commenced early in