Forterra Fridays: February 2026 Friday, Feb. 20, 2026, 1:00 pm to 3:30 pm We're excited to invite you to volunteer with us at Duwamish Hill Preserve, a Tukwila park providing critical wildlife habitat and public trails in a fairly industrial area. Join us on Friday, ...

Forterra's Spring Fundraiser "When the Trees Speak: Listening, Learning, and Acting for the Land We Love" with author, Lynda Mapes For more than 36 years, Forterra has met the evolving needs of our Pacific Northwest region through passion, persistence, and partnerships. Through it all, the ...

Forterra Fridays: March 2026 Friday, Mar. 20, 2026, 1:00 pm to 3:30 pm We're excited to invite you to volunteer with us at Crestview Park, a beloved community gathering space in Tukwila featuring dog play areas, trails, and natural landscapes. Join us on March 20, from ...

Forterra Fridays: April 2026 Friday, Apr. 17, 2026, 1:00 pm to 3:30 pm We're excited to invite you to volunteer with us for a special Earth Month event at Duwamish Hill Preserve, a Tukwila park providing critical wildlife habitat and public trails in the middle ...

Forterra Fridays: June 2026 Friday, Jun. 12, 2026, 1:00 pm to 3:30 pm On Friday, June 12, from 1:00 PM to 3:30 PM, you're invited to help us remove invasive blackberries at Patterson Creek Preserve.  We'll begin with a short walk through the preserve and hear from restoration professionals about how ...

Forterra Fridays: October 2026 Friday, Oct. 16, 2026, 1:00 pm to 3:30 pm Fall into restoration with us! We’re excited to invite you to volunteer at Duwamish Hill Preserve, a vibrant Tukwila park that provides critical wildlife habitat and walking trails in the heart of an industrial corridor.  ...