ScareGrounds PDX offers a line-up of Halloween horror attractions at Oaks Amusement Park at 7805 S.E. Oaks Park Way, Portland. Dates are Oct. 6-8, 13-15, 20-24, 27-31 and Nov. 3-4. Rides open at 6 p.m. on Fridays, Saturdays, Sundays and Halloween night. Haunted houses open at 7 p.m. Tickets start at $22 and can be purchased online […]