Tynwald Hill is a historic site located on the Isle of Man. It is a grassy mound that stands about 12 feet high and is traditionally used for the annual Tynwald Day ceremony, where the laws of the island are proclaimed. The hill is believed to date back to the Viking era, symbolizing the island's long-standing tradition of self-governance. The hill is made up of earth and stone and is surrounded by a circular area where spectators can gather during the ceremonies. It is an important cultural landmark for the Isle of Man, representing its unique heritage and democratic processes.