Established per Bill 29: Park Amendment Act 1997, 23 July 1997, containing 506 hectares more or less. Boundary redescribed per Bill 50-2004: Parks and Protected Areas Statutes Amendment Act, 17 May 2004; the whole now containing approximately 517 hectares. Boundary redescribed per Bill 24-2007: Parks and Protected Areas Statutes Amendment Act, 3 May 2007; the whole now containing approximately 516 hectares. Boundary redescribed per Bill 19-2011: Miscellaneous Statutes Amendment Act; the whole containing approximately 526 hectares. Boundary redescribed per Bill 49-2012: Protected Areas of British Columbia Amendment Act, the whole now containing approximately 530 hectares.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office