(Oregon)
Mary S. Young Park is a city park in the U.S. state of Oregon. It is located within the city of West Linn, alongside the Willamette River, and is heavily wooded. It offers more than five miles of hiking trails, bicycle trails, picnicking, bird watching, fishing, sports fields, and a very popular dog off-leash area. (Ref: https://en.wikipedia.org/wiki/Mary_S._Young_State_Recreation_Area)