More than you asked for...
These are maps of rides I have taken and enjoyed.
SW Views (.5 hr)Leisurely ride with great views of the Tualatin valley
Newberg/Yamhill/Gaston (1 hr)
SR-53 & Coast (1.5 hr)SR-53 has lots of sweeping curves and twisties with very little traffic; Wheeler has a great restaurant for lunch Gaston/Carlton/Willamina (3 hr) Swift Reservoir (4 hr)
Gaston/Carlton/Willamina (3 hr)
Swift Reservoir (4 hr)