Beaufort Sea Beaufort Sea The Beaufort Sea () is a marginal sea of the Arctic Ocean, located north of the Northwest Territories, the Yukon, and Alaska, and west of Canada's Arctic islands. The sea is named after Sir Francis Beaufort, a hydrographer. The Mackenzie River, the longest in Canada, empties into the Canadian part of the Beaufort Sea west of Tuktoyaktuk, which is one of the few permanent settlements on the sea shores. The sea, characterized by severe climate, is frozen over most of the year. Historically, only a narrow pass up to opened in August–September near its shores, but recently due
Beaufort, Luxembourg castle and the chateau are owned by the Luxembourg state. Beaufort, Luxembourg Beaufort (, ) is a commune and town in eastern Luxembourg. It is part of the canton of Echternach, which is part of the district of Grevenmacher. In 2005, the town of Beaufort, which lies in the centre of the commune, had a population of 1,366. Other towns within the commune include Dillingen. The old castle, protected by a moat, was built in four periods. Based on a document of 1192, it is assumed that Walter of Wiltz and Beaufort was the first Lord of Beaufort. The oldest