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Mountains to Sound Greenway National Heritage Area

Mountains To Sound Greenway Trust

Connected with nature, our lives are better

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Calendar of Events

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  • Calendar of Events
Fri, August 22
Nursery Event at Lake Sammamish State Park
Sat, August 23
Habitat Restoration in Issaquah
Mon, August 25
Burien Green Teens Action Day at Hilltop Park
Tue, August 26
Trail Maintenance on Upper CCC Trail
Tue, August 26
Nursery Event at Lake Sammamish State Park
Sat, August 30
Mulching Plants at Squak Valley Park
Fri, September 5
Nursery Event at Lake Sammamish State Park
Thu, September 11
Mailbox Trail Maintenance (day 1)
Fri, September 12
Mailbox Trail Maintenance (Day 2)
Thu, September 18
Structure Maintenance on Middle Fork Trail
baby trees
Fri, September 19
Nursery Event at Lake Sammamish State Park
Fri, September 26
Resilience Film Fest at Central Washington University
Sat, September 27
National Public Lands Day in Kittitas County
Fri, October 3
Trail Maintenance and Restoration at Oxbow Loop Trail
Fri, October 10
Trail Maintenance on Garfield Ledges Trail
Sat, October 11
Annual Tree Planting Celebration 2025!

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  • Explore
    • Interactive Map
    • Itineraries
    • Outdoor Activities
    • Stories
    • Greenway Regions
    • Plan Your Visit
  • Get Involved
    • Volunteer Program
    • Events
    • Environmental Education Program
    • Advocacy
    • Newsletter Sign-up
  • Support
    • Ways to Give
    • Corporate Support
    • Shop for Greenway Gear
    • Annual Celebration
    • Spring Fundraising Breakfast
  • About Us
    • Our Work
    • Blog
    • In The News
    • Staff and Leadership
    • Community Commitment
    • Careers
    • Requests for Bids and Proposals
    • Contact Us
  • Donate
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2701 First Avenue, Suite 240, Seattle, WA 98121 | 206.382.5565 | info@mtsgreenway.org

© 2025 Mountains to Sound Greenway Trust | EIN: 91-1531234 | Kinsta | Site Credits.
  • Website Design: Beans n' Rice
  • Website Development: Carkeek Studios

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