There are three Hilton hotels in Oregon (Eugene, and two in Portland), all large properties providing full-service facilities.
Hilton Eugene & Conference Center
66 East 6th Avenue, Eugene, OR 97401Hotel reservations
Hilton Portland & Executive Tower
921 SW Sixth Avenue, Portland, OR 97204Hotel reservations
The Duniway Portland, a Hilton Hotel (New - March 2017)
545 SW Taylor Street, Portland, OR 97204Hotel reservations
Hotel reservation links are direct to the Hilton website - for the guaranteed lowest rates.