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Photo: Visitor7, CC BY-SA 3.0 via Wikimedia Commons
Wildhorse Resort & Casino is a casino owned and operated since 1994 by the Confederated Tribes of the Umatilla Indian Reservation in the U.S. state of Oregon. It is located 5 miles (8.0 km) east of Pendleton, on the Umatilla Indian Reservation, near Interstate 84.
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Exhibits & videos detailing the impact of the Oregon Trail & pioneer settlement on Native tribes.
Umatilla County Historical Society
Museum complex featuring an old schoolhouse, barn, caboose & more, with exhibits on local history.
Knowledgable and enthusiastic guides. A definite must, if you're into underground tours.