Eco Tour Sunday, January 12, 2025 11:00 AM 12:00 PM 11:00 12:00 Duwamish Longhouse & Cultural Center 4705 West Marginal Way Southwest Seattle, WA, 98106 United States (map) Google Calendar ICS Join our tour guide on Sunday, January 12th @ 11am- 12:00pm for an eco-tour at Həʔapus park. Meet your guide at the Duwamish Longhouse & Cultural Center at the Welcome Desk, where you'll sign a waiver before you begin your Eco Tour.