The Castle Hotel and Thann Spa high above the surrounding Westchester country and village of Tarrytown and Sleepy Hollow beckons visitors near and far. Elegant, celebratory dining at Equus, relaxing & revitalizing spa treatments - massage and therapy at Thann Spa, holistic and rejuvenating hours mesmerized by the history, environs, and oneness with nature atop Westchester's highest promontory!