Established per Bill 53: Park Amendment Act 1995, 13 July 1995, containing 6634 ha. more or less. Redescribed per Bill 17-2000: Protected Areas of British Columbia Act, 29 June 2000; the whole still containing 6634 ha. more or less.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office