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ONI Main: 503-823-4519
City/County Info: 503-823-4000
1221 SW 4th Ave, Suite 110, Portland, OR 97204
April Hill Park Spring Bird Walk April Hill Park in southwest Portland (Maplewood neighborhood)
Friends of Tryon Creek Work Party Tryon Creek State Park, 11321 SW Terwilliger Blvd
PCC Habitat Team Work Party Sylvania Natural Area Park in southwest Portland
Friends of Woods Park Work Party Woods Park in southwest Portland
Friends of Marquam Nature Park Work Party Meet at Marquam Shelter, SW Marquam St near Sam Jackson Park Rd.
Markham is a neighborhood in the Southwest section of Portland, Oregon. Markham is bordered by Multnomah and South Burlingame on the north, Marshall Park on the east, Arnold Creek on the south, and West Portland Park on the west.