Established per Order in Council 585, 30 April 1996. Redescribed per Bill 86, Park Amendment Act 1999, 28 June 1999; the whole containing 5063 ha. more or less. Redescribed per Bill 15-2001: Protected Areas of British Columbia Amendment Act, 2001, 11 April 2001, the whole now containing 5157 ha. more or less. Redescribed per Bill 84-2003: Parks and Protected Areas Statutes Amendment Act, 26 November 2003, the whole containing 5,138 ha. more or less.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office