Annual Tree Planting Celebration 2025!

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Date & Time
Saturday, October 11, 2025 | 9am-12pm
Location
Lake Sammamish State Park
Event Overview

Join us for the Greenway’s Annual Tree Planting Celebration at Lake Sammamish State Park. After a Spring and Summer full of in-stream restoration along Issaquah Creek, we are ready to plant up to 10,000 more trees and shrubs (at this event and through the fall) to continue supporting native riparian restoration efforts. Come and learn about the Mountains to Sound Greenway Trust’s largest restoration project to date and plant some trees and shrubs along the way!

No experience necessary — all tool and training will be provided. Planting events are great for individuals, families, groups, and work teams.

Cost

This event is free to attend, and we welcome donations to support tree planting and care in the Greenway.

Difficulty
Easy to Moderate
Age Restriction
Open to all ages. Participants under 13 years old must be accompanied by an adult.
What to Bring

For safety, volunteers are required to wear:

  • Long pants (we’ll be working with tools, so no shorts!)
  • Sturdy, close-toed shoes (absolutely no sandals)
  • Gloves (provided)

In addition, we recommend that participants bring:

  • Warm layers, especially during the fall, winter, and spring
  • Rain gear
  • At least one full water bottle
  • Small daypack for snacks, extra layers, etc…
Driving Directions

*Subject to change! Check back before the event.*

Google maps: https://goo.gl/maps/ZjRgfQ47Eut

From I-90, take Exit 15. Follow signs for Lake Sammamish State Park, and go north on 17th Ave NW. Turn left onto NW Sammamish Rd. The entrance to Lake Sammamish State Park will be on your right in about one half mile. Continue straight toward Sunset Beach parking lot – look for Greenway event signs and staff.

Make sure to remember to display a Discover Pass on your vehicle or purchase one from the State Park office.

Additional Information
Washington State Parks and the Mountains to Sound Greenway are partnering together on the multi-year restoration of Lake Sammamish State Park. The State Park provides important habitat for several species of salmon, many birds – including bald eagles, great blue herons, and red tailed hawks – and a wide variety of amphibians, insects and other wildlife, making this a great spot not only for recreating but for wildlife viewing opportunities as well. For over ten years, volunteers have worked in the park to reestablish native plant communities and to control invasive species from entering the park. 

 

Supporting native riparian restoration efforts benefits the ecosystems we live in and will especially support salmon recovery efforts! Planting a tree or shrub will contribute to cooler water ways for fish to swim through.

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