Featuring a 56, square foot gaming floor with + slots, table games, 2 restaurants. Under the terms of the deal, USI will continue providing integrity monitoring services. 12 Tribes Coulee Dam Casino, located just below the Grand Coulee Dam, at the entrance to the Colville Indian Reservation, offers slot machines such as like. Washington for an exclusive updated Slot Tournament at your favorite 12 Tribes Colville Casino every. . The tribe has a much bigger casino/hotel. Wednesday! Enjoy some FREE PLAY and. Seguir. The tribe has a much bigger casino/hotel in Omak, WA Estados UnidosWashington Colville Confederated Tribes MuseumHoteles cerca de 12 Tribes Coulee Dam. Looking for a casino in Washington State? With three casinos to serve you, 12 Tribes Colville Casinos offers great gaming The Mill Casino • Hotel & RV Park. The Colville Tribal Federal Corporation (CTFC) is headquartered in Omak, Washington. The company currently manages two enterprises that include gaming and wood. 12 Tribes Omak Casino Hotel located in Omak, WA is our newest property. beautiful Lake Chelan, we offer the best in gaming, dining, and nightlife! 󱙶. Tiny casino, only slots, and it reeked so bad of cigarette smoke that we could only tolerate it for a few minutes.