The Château Woolsack or Château de Woolsack or The Woolsack is a former hunting lodge located in the commune of Mimizan in the department of Landes in the Aquitaine region of south-western France. Built in 1911 on the shores of Lake Aureilhan by Hugh Grosvenor, 2nd Duke of Westminster, it is a replica in the Tudor style of the home of Rudyard Kipling - the author of The Jungle Book. It is on a site which has been classified since 18 July 1978.