 They were managed by the South Australian Government Tourist Bureau from 1952 to 1967.In 1964, the National Parks Commission submitted a proposal to the Government of South Australia for "comprehensive national parks" covering an area larger than that of the existing national pleasure resorts.This resulted in the creation of three separate reserves - the Alligator Gorge Wildlife Reserve, the Mambray Creek Wildlife Reserve and the Mount Remarkable Wildlife Reserve, that were respectively constituted in July 1965, September 1967 and March 1966.