Upton Hill Regional Park is a regional park located in Arlington, Virginia in the United States. The park takes its name from nearby Upton's Hill. The park features batting cages, a pool, and most notability, a minigolf course. The golf course includes the world's longest minigolf hole, at 140 feet. The course was designed by minigolf designer Jim Bryant.
Coordinates: 38°52′15″N 77°08′39″W / 38.8707°N 77.1442°W