Hilton london syon park is a hotel designed with comfort and convenience in mind marrying the best of contemporary london with the finest traditions of an english country house estate conveniently located to the west of london centrally positioned between london city centre and london heathrow airport hilton london syon park offers a peaceful retreat from londons cosmopolitan center with 200 acres of idyllic parkland convenient for both business and pleasure 137 guest rooms and suites off