Peninsula Park 
700 N Rosa Parks Way
Portland, OR 97217
503-823-PLAY
http://www.portlandonline.com/parks/finder/index.cfm?action=ViewPark&PropertyID=507
Park: Picnic, Walk
With more roses than the International Rose Test Garden, this is a treasure located in north Portland, just minutes from the city center. More than 8,800 fragrant roses engulf the visitor to this sunken garden of distinct early 20th century design.