Established by Bill 53: Park Amendment Act 1995, 13 July 1995. Redescribed per Bill 17-2000: Protected Areas of British Columbia Act, 29 June 2000; the whole containing 4344 ha. more or less. Boundary redescribed per Bill 5: Protected Areas of British Columbia Amendment Act, 16 March 2013, the whole now containing approximately 4275 hectares.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office