Why Boreray
Situated in the North Atlantic Ocean approximately 66 kilometres (41 miles) west-northwest of North Uist, Boreray is an uninhabited landmass within the St Kilda archipelago. As part of St Kilda, it holds UNESCO Dual World Heritage Status. The area was initially inscribed in 1986 for its exceptional natural environment, expanded to encompass surrounding marine waters in 2004, and recognized for its cultural heritage in 2005. The island was purchased by ornithologist John Crichton-Stuart, the 5th Marquess of Bute, in 1931, and was later bequeathed to its present owner, the National Trust for Scotland, in 1957.
Geologically, Boreray is composed of a breccia of gabbro and dolerites. It covers roughly 77 hectares (5/16 square miles) and rises steeply to its highest point, Mullach an Eilein, at 384 metres (1,260 feet), making it the smallest island in Scotland with a summit over 300 metres (1,000 feet). Two vertical rock pillars, or sea stacks, lie just offshore: Stac An Armin, standing 196 metres (643 feet) high about 400 metres to the north, and Stac Lee, standing 172 metres (564 feet) high about 600 metres to the west.
Despite its challenging terrain, Boreray displays evidence of human habitation extending back to ancient times. Discoveries in 2011 identified an agricultural field system and two settlement mounds, revealing that a prehistoric farming community once resided on the island's steep slopes. Historic sites include Taigh Stallar, or the steward's house, which may be an Iron Age wheelhouse connected in local tradition to a rebel leader known as the Man of the Rocks. An account from 1764 recorded five druidic altars on the island, including a prominent stone circle set near Taigh Stallar.
In later centuries, the island was used for fowling expeditions originating from Hirta, where workers utilized a group of three small bothies known as Cleitean MacPhàidein. The surrounding waters and stacks also played a role in regional survival; in 1727, a smallpox outbreak on Hirta left three men and eight boys marooned on nearby Stac an Armin until the following May.
Boreray hosts varied wildlife and over 130 varieties of flowering plants. Its sheer cliffs offer extensive nesting habitats for seabirds, with a 1959 survey counting 45,000 pairs of gannets across Boreray and its two stacks. The island is also the origin of the Boreray sheep, an extremely rare, small horned breed distinct from the archipelago's Soay sheep and considered the rarest sheep breed in the United Kingdom.
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