Wildhorse Resort & Casino is owned and operated by the Confederated Tribes of the Umatilla Indian Reservation, located 5 miles east of Pendleton, Oregon, on the Umatilla Indian Reservation near Interstate 84. The resort features 1,200 slot machines, 14 table games, an 18-hole golf course, multiple restaurants, a five-theatre cineplex, and a Family FunPlex with bowling, arcade, and food court. The property includes an on-site Tamástslikt Cultural Institute showcasing the history and culture of the Cayuse, Umatilla, and Walla Walla tribes. A $100 million expansion is currently underway, adding a second hotel tower, convention center, and new restaurant, opening in 2027.