Chase Park is a class A park encompassing 36,266 hectares and was established on April 11, 2001. Chase Park was first identified for protected area status through the Mackenzie Land and Resource Management Plan process to protect critical habitat for the Chase-Sustut caribou herd.
This area is a First Nations traditional use area, for hunting, fishing and gathering. There are many traditional trails that were and are currently being used by First Nations groups.
The park protects critical habitat for the Chase-Sustut caribou herd. Excellent example of young mixed boreal forest in transition from Omineca Mountains to Williston Trench. Carina and Tomias Lakes have significant lake trout populations, plus Arctic grayling, rainbow trout and bull trout.