The Bellosguardo Foundation is a philanthropic organization and private foundation for the arts located at the oceanside estate in Santa Barbara, California, known as Bellosguardo, one of the empty mansions of the reclusive copper heiress Huguette Clark. Registered in the State of New York, the arts foundation was formed to administer the Bellosguardo property according to the provisions in the will of Huguette Clark, who died in 2011 at age 104. Well known in her later years for being a recluse, she was an artist, art collector, and philanthropist, the youngest child of Sen. William A. Clark.