Par-three golf courses, on which each hole measures one hundred yards (90 metres) a lot of or less and plays at par three, were developed as a results of the shortage of available open land in congested urban areas. Whereas a regulation eighteen-hole course may stretch to additional than 7,000 yards, concerning four miles (6.4 km), an eighteen-hole par-three, or short-hole, course can be per concerning 1,800 yards (1.6 km).