The Wildhorse Foundation is managed by the Confederated Tribes of the Umatilla Indian Reservation in partnership with Wildhorse Resort and Casino. 

The Confederated Tribes of the Umatilla Indian Reservation homeland is in the area known today as northeastern Oregon and southeastern Washington. Each year, the Wildhorse Foundation awards grants to eligible organizations in this area, which includes Morrow, Umatilla, Union, and Wallowa counties in Oregon, the Tribes Ceded Territory in Washington,...