Do you know that the Green River and the Duwamish River are actually one river, 65 miles long with its headwaters in the Cascade Mountains flowing through wilderness, farmlands, tribal lands, suburbs and dense urban areas?  Join us for a day of learning about this complex watershed, its challenges, successes and those who are working to improve its health.

Register for the symposium now – early bird rate ends January 31st!

Duwamish Symposium

Symposium Overview

Target Audience: 150-200 Attendees

Professionals, academics, educators, college students and community members working within the Green – Duwamish Watershed to improve the health of the watershed and its communities. The purpose of this innovative symposium is to foster collaboration across the Green – Duwamish Watershed, build partnerships, share knowledge and spark innovation concerning the Green-Duwamish Watershed’s health and inspiring those working on the watershed’s ecological challenges and social issues. Participants will increase their knowledge about the watershed, gain new perspectives, techniques and methods for their on-the-ground projects, broaden their networks of relationships and resources, and be inspired with a deeper commitment to improving the watershed’s health.

The symposium promotes connections among the diverse project practitioners across fields (technical and non-technical), locations, cultures, organizations and settings. All the presentations are given in one large room, enabling everyone attending exposure to topics and individuals not within their normal purview. The day is structured with an opening keynote speaker and several panels of 3-4 presenters. Panels focus on a specific subject, with presenters each giving a 10 minute TED-like Talk. One of the key goals is to encourage attendees to move beyond their normal work zone and make new connections which enhance their efforts; consequently there are no breakouts sections.

Networking opportunities are provided before the presentations (8-9am), during lunch and after the presentations at the social (4-6pm.). A poster and tabling area will also be available for attendees. In this way, we hope to bridge the perceived divide between those working in the Duwamish vs. those in the Green.

Event Location: Tukwila Community Center, 12424 – 42nd Ave. S., Tukwila WA 98168

Since we are trying to bridge the divide between what can seem like two different countries in terms of landscapes and community character – the urban, industrial Duwamish River and the suburban, rural Green River – we chose a venue close to the middle of the lower watershed. The venue, the Tukwila Community Center, is situated by the Upper Duwamish River, at midpoint within the watershed, providing easy access from I-5 and Hwy 599. It is located close to significant restoration sites, in a setting that reflects nature and the river.

General Information:


The Symposium is co-hosted by the Duwamish Alive Coalition and the Green River Coalition. We want the efforts in this “two rivers” watershed to connect by providing a platform for networking with the hope that it will create a broader, deeper understanding of the whole watershed by those working in it. The symposium is a grassroots effort by people who working on projects concerning water quality, habitat restoration, wildlife, environment, environmental education, social justice, and community health.

Duwamish Alive Coalition:

Alki Kayak Tours / Boeing Employees Credit Union / City of Seattle / City of Tukwila / Duwamish River Cleanup Coalition / EarthCorps / Environmental Coalition of South Seattle /Environmental Protection Agency/ Forterra / Friends of Duwamish Hill Preserve /Friends of Roxhill Bog / Green Seattle Partnership / Georgetown Community Council / IM-A-PAL Foundation / King County/ King Conservation District / Nature Consortium / Puget Soundkeeper Alliance / Port of Seattle / Recology-Cleanscapes /Rose Foundation / Seattle City Light / South Park Area Redevelopment Committee / Urban Systems Design / Urban Waters Partnership/ Veterans Conservation Corps / Washington State Dept. of Veterans Affairs /

Green River Coalition:

SHADOW (Save Habitat And Diversity Of Wetlands) / Friends of Soos Creek Park / South King County Chapter Sierra Club / Rainier Audubon / Soos Creek Area Response / Institute for Community Leadership / Green River College


Herring's House Park on the Duwamish River

Herring’s House Park on the Duwamish River

Translate ›