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The City of Portland sits at the confluence of two of the nation's major river systems, the Columbia and the Willamette. Native salmon, steelhead and other fish and wildlife species live within Portland’s urban boundary, and also migrate through Portland to other parts of the Willamette River Basin, Columbia River Basin, and beyond.
Everyone in Portland also lives in the watershed of a smaller local stream or waterway. Find your watershed on the map below, and explore some of the watershed improvement projects happening in your neighborhood.
Find out about the condition of Portland’s rivers, streams and watersheds in the new Watershed Report Cards.
Columbia River All of Portland’s local watersheds are part of the Columbia River Basin
Columbia Slough Watershed The slough flows for 18 miles from Fairview Lake to the Willamette River at Kelley Point Park
Fanno Creek Watershed Fanno Creek begins in southwest Portland and flows to the Tualatin River
Johnson Creek Watershed The creek crosses several jurisdictions before entering the Willamette River near Milwaukie
Tryon Creek Watershed Tryon Creek flows through parts of southwest Portland to the Willamette River near Lake Oswego
Willamette Watershed The watershed plan area includes Forest Park, downtown, industrial districts, and residential neighborhoods
Skyline West Area An area of Portland’s West Hills that drains to the Tualatin River
Watershed Management Plan Protecting natural resources and restoring critical ecosystems
City Green Blog Updates on Environmental Services green infrastructure and watershed work
Portland Watershed Map
Explore Portland's Watersheds
Everyone in Portland also lives in the watershed of a smaller local stream or waterway. Find your watershed on the map below, and explore some of the watershed improvement projects happening in your neighborhood.
Find out about the condition of Portland’s rivers, streams and watersheds in the new Watershed Report Cards.
Columbia River All of Portland’s local watersheds are part of the Columbia River Basin
Columbia Slough Watershed The slough flows for 18 miles from Fairview Lake to the Willamette River at Kelley Point Park
- About the Watershed
- Watershed Facts
- Projects
- Plans and Studies
- Columbia Slough Paddler's Access Guide
- Columbia Slough Watershed Council
- Columbia Slough Fish Advisory
Fanno Creek Watershed Fanno Creek begins in southwest Portland and flows to the Tualatin River
Johnson Creek Watershed The creek crosses several jurisdictions before entering the Willamette River near Milwaukie
- Projects and Programs
- About the Watershed
- Plans and Studies
- Photos
- Johnson Creek Watershed Contacts
- Johnson Creek watershed map
Tryon Creek Watershed Tryon Creek flows through parts of southwest Portland to the Willamette River near Lake Oswego
- About the Watershed
- Connect
- Plans, Studies and Reports
- Watershed Projects
- Southwest Watershed Resource Center
Willamette Watershed The watershed plan area includes Forest Park, downtown, industrial districts, and residential neighborhoods
- Southwest Watershed Resource Center
- Willamette Subwatershed Improvement Strategies
- Willamette River Basin
- Willamette River History
- Willamette Watershed Projects
- Willamette Watershed Characterization Report
- Westside Streams Water Quality and Trend Analyses Status Report
- Tanner Creek Water Quality Characterization
- Tanner Creek Water Quality Characterization Supplement
- Portland in 1852
Skyline West Area An area of Portland’s West Hills that drains to the Tualatin River
Watershed Management Plan Protecting natural resources and restoring critical ecosystems
City Green Blog Updates on Environmental Services green infrastructure and watershed work
Portland Watershed Map
Explore Portland's Watersheds
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