Latest Past Events

    Duwamish Alive! Orca Earth Day

    Duwamish HIll Preserve 3800 S. 115th St, Tukwila

    Removing invasive weeds by the armful. Photo Credit: Sam Le. Volunteer with ECOSS and Mountains to Sound Greenway Trust during Earth Weekend to restore habitat at the culturally and ecologically significant Duwamish Hill Preserve. Register here!

    Native planting for Duwamish Alive!

    Duwamish Hill Preserve 3800 S. 115th St, Tukwila

    Habitat restoration at the April 2018 Duwamish Alive! event. Photo Credit: Sam Le. ECOSS is again teaming up with Mountains to Sound Greenway Trust to host a volunteer work party at the Duwamish Hill Preserve! Join us on October 20, 10 AM for a fun day of planting native plants and learning about your local […]