The two storey solid wooden building housing the museum today was built in the year 1897 as a fort by the second White Rajah, Charles Brooke to impose peace and order in the region where warfare among the local tribes prevailed.
This National Park is located in the upper reaches of the Sungai Bunut where Sarawak's largest natural lake is found. The local Berawan fishermen call this lake 'Logan Bunut'.