West Portland Park is a neighborhood in the Southwest section of Portland, Oregon. It lies between SW 53rd Ave. in the west and SW 35th Ave. in the east, and I-5 in the north and SW Stephenson St. (Portland city limits) in the south. (Two small sections extend further south, a parcel at the end of SW 47th Ave. and the "Kerr Site" between SW 39th Ave. and SW 37th Ave., following irregularities in Portland's southern border.) South of SW Pomona St., the western border is SW 49th Ave.