Britton Hill is the highest natural point in the state of Florida, United States, with a summit elevation of 345 feet above mean sea level. Britton Hill is the lowest state highpoint in the United States, 103 feet lower than the next lowest highpoint, Ebright Azimuth in Delaware, and far lower than many skyscrapers in Miami, Jacksonville, Tampa and Orlando, of whi…Britton Hill is the highest natural point in the state of Florida, United States, with a summit elevation of 345 feet above mean sea level. Britton Hill is the lowest state highpoint in the United States, 103 feet lower than the next lowest highpoint, Ebright Azimuth in Delaware, and far lower than many skyscrapers in Miami, Jacksonville, Tampa and Orlando, of which the highest, Panorama Tower in Miami, reaches 861 feet above mean sea level.