Unthank Park is a lovely spot to take a breather. Enjoy a picnic, throw a Frisbee around or just lie on the soft grass and close your eyes for a while.
Situated in North Portland, this recreation and green space is well worth including on your itinerary. But you'll find tons more to see in this area. Oregon Zoo, Portland State University, and Portland Japanese Garden aren't too far from Unthank Park.