Tualatin Country Club is an 18-hole private golf course in Tualatin, Oregon, built in 1912 and designed by H. Chandler Egan & George Junor. It sits in the $$$$ (splurge) price range for golf in Oregon. The course is open all year. Tee times can be booked 3 days in advance.
Details like fees and seasons change, so call the course before you head out.