Noir Island is an island, belonging to Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

, located west of Tierra del Fuego

Tierra del Fuego

Tierra del Fuego is an archipelago off the southernmost tip of the South American mainland, across the Strait of Magellan. The archipelago consists of a main island Isla Grande de Tierra del Fuego divided between Chile and Argentina with an area of , and a group of smaller islands including Cape...

 at -54.468441,-73.02063. Cabo Noir (sometimes called "Cape Noir" in English) is the south-west cape of Isla Noir.

Cape Noir plays a role in a dramatic episode in Patrick O'Brian

Patrick O'Brian

Patrick O'Brian, CBE , born Richard Patrick Russ, was an English novelist and translator, best known for his Aubrey–Maturin series of novels set in the Royal Navy during the Napoleonic Wars and centred on the friendship of English Naval Captain Jack Aubrey and the Irish–Catalan physician Stephen...

's novel The Golden Ocean

The Golden Ocean

The Golden Ocean is a novel written by Patrick O'Brian, published in 1956. It tells the story of a novice midshipman, Peter Palafox, who joins Anson's 1740 circumnavigation of the globe...

, which is based on the historical events of Commodore George Anson's circumnavigation of the world. A squadron of ships believes they have rounded Cape Horn

Cape Horn

Cape Horn is the southernmost headland of the Tierra del Fuego archipelago of southern Chile, and is located on the small Hornos Island...

and reached safe waters. The sight of Cape Noir evokes the appalling realization that their longitude reckoning is grossly in error, and that they still must make hundreds of miles of desperately difficult westing.

The episode is described by the chaplain of the Centurion: