A little-known fact about Portland, even to its residents, is that the largest public space in the central city is the Willamette River, comprising 490 acres (16 percent!) of the area. Until the 1960's, the Willamette River was dominated by industry, but thanks to decades of clean-up efforts, it is now safe for swimming in…
More
found in
Portland Region ,
Portland ,
Lakes & Reservoirs ,
Parks, Forests & Wildlife Areas ,
Rivers & Streams ,
Trip Ideas ,
Outdoor Recreation ,
Attractions ,
Events ,