Britton Hill is the highest natural point in the state of Florida, USA,and is 345 feet (105 meters) above mean sea level. Britton Hill is the lowest state highpoint in the United States, 103 feet (31 m) lower than the next lowest highpoint, Ebright Azimuth in Delaware. It is even lower than the highest point in Washington D.C., Fort Reno Park in Tenleytown, at 429 feet (125 m). The lowest points of sixteen U.S.