Columbia Slough

A slow-moving, man-made waterway in the Pacific Northwest, vital for wildlife, water treatment, and regional flood control.

Columbia Slough Guides

• Summer Spots in Portland

  jajajames (James Knowlton)
  With almost 8 months of gray, Summer is a much awaited respite from the gloom. Portlanders certainly will let you know, the Winter's may be hard, but the Summers make it all worth it.