Rainbow/Q'iwentem Provincial Park is a provincial park in the Cariboo region of British Columbia. The park was established in 2013 and is in size, protecting the land between Sulphurous Lake and Deka Lake. While there are no developed trails in the park, routes used by locals exist connecting roads on the North Shore of Deka Lake to the North Shore of Sulphurous Lake. The park is accessible by road only from the southwest.

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