Welcome to the Mountains to Sound Greenway National Heritage Area
The Mountains to Sound Greenway National Heritage Area is a unique geographic corridor made up of connected ecosystems and communities spanning 1.5 million acres from Seattle to Ellensburg along Interstate-90 in Washington state. The Mountains to Sound Greenway Trust is a coalition-based organization that leads and inspires action to conserve and enhance this special landscape, ensuring a long-term balance between people and nature.
Join Us at an Upcoming Event

September 10
Habitat Restoration at Maple School Ravine 
September 10
Teanaway Community Forest: Fish of the Teanaway September 24
Trash Clean Up at Beverly Campground September 24
Picnic Table Assembly at Beverly Campground 