Enjoying Umatilla Refuge is a self-guided experience, there are no visitor centers or staffed contact points.  The main refuge entrance, located on the McCormack Unit, is located 10 miles south of I-84 at the end of Paterson Ferry Road. Parking is allowed in designated parking areas only. The Boardman Unit can be accessed from the Tower Road Exit (Exit 158) off of I-84. The Whitcomb Island, Ridge and Paterson Units can all be accessed from Washington State Highway 14. Please access the refuge only from designated public access areas.