 The Omak Visitor Information Center — deemed the " best little information center in the west " — has historical images and a gift shop offering pamphlets regarding Okanogan County and surrounding regions . The Okanogan County Historical Museum comprises a historic fire hall , research center , genealogical area and a display of historical photographs or the area . The Omak Performing Arts Center — a 500 @-@ seat venue which hosts presentations , ceremonies , and performances — was built by Omak School District in 1989 . There is a 58 @,@ 000 @-@ square @-@ foot ( 5 @,@ 400 m2 ) casino operated by the Confederated Tribes of the Colville Reservation since 2008 , incorporating over 400 gaming machines , a convention center , and an arcade . Nearby Okanogan Bingo Casino , along U.S. Route 97 , also primarily serves Omak , consisting of approximately 360 gaming machines . 
