The park was established by Order in Council on April 29, 1992, expanded in 1995, included in the Nisga'a Treaty in 2000, and is the first park in the province to be jointly managed by the government and a First Nation.
The park was founded on April 29, 1992; it was later expanded in 1995; included in the Nisga'a Treaty in 2000; and is the first jointly managed park by both government and a First Nation in the province.