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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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  • Events
  • Calendar of Events
Fri, October 10
Trail Maintenance on Garfield Ledges Trail
Sat, October 11
Annual Tree Planting Celebration 2025!
Fri, October 17
Trail Maintenance on Garfield Ledges (Day 2)
Sat, October 18
Trail Maintenance on Garfield Ledges (Day 3)
Thu, October 23
Planting at Lake Sammamish State Park
Fri, October 24
Tree Planting at Lake Sammamish State Park
Fri, October 24
Trail Maintenance on Denny Creek Trail
Sat, October 25
Green Seattle Day at Discovery Park
Wed, October 29
Habitat Restoration with Bats NW
Fri, October 31
Planting at Lake Sammamish State Park

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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
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