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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

More Contact Info

Fanno Creek

  • Blue heron fishing on Fanno Creek

  • Parking lot swale in the Fanno watershed

  • Fanno Creek beaver dam

  • Fanno Wetlands


map of the Fanno Creek watershed

The Fanno Creek Watershed in the Tualatin River Basin covers over 20,000 acres. About 4,500 acres of the watershed are within Portland city limits. Fanno Creek flows west for about 15 miles from its headwaters in Hillsdale to its confluence with the Tualatin River near Durham.

Fanno and Tryon Creek Watershed Manager
Amin Wahab 503-823-7895

Fanno and Tryon Creek Watershed Program Coordinator Jennifer Devlin 503-823-6182

Contact Us

Phone numbers and email addresses

Southwest Watershed Resource Center

Resource center programs and resources