Upper Yakima Basin

The Upper Yakima Basin spans the entire eastern half of the Mountains to Sound Greenway National Heritage Area, stretching from high alpine wilderness in the Cascades to high value agricultural lands in the Kittitas Valley near Ellensburg.  Rich in natural resources, communities like Roslyn and Cle Elum celebrate their mining and logging legacies even as tourism and outdoor recreation become more important parts of the local economy.

Tours and Itineraries

Road Trip Along the Mountains to Sound Greenway National Scenic Byway
Choose your own adventure and travel at your own pace with this road trip inspiration. Journey from the vibrant Puget Sound area, through thick forests,
10 Birds to See in the Teanaway Community Forest
The diverse habitats of the Teanaway Community Forest total 50,241 acres (more than half the size of Seattle). They range from lush riparian corridors along the
8 Great Places to See Birds in the Greenway
“One of the things I love most about birds is that you can find them almost anywhere — from city parks to remote wilderness. And because

Learn About Our Work in the Upper Yakima Basin

From trail building and maintenance, to habitat restoration, coalition leadership, and more — we’re hard at work on the Greenway’s east side!

Read the Latest News

2023 Legislative Priorities
From Ellensburg to Seattle, the Mountains to Sound Greenway National Heritage Area (Greenway NHA) encompasses spectacular natural lands, productive working farms and forests, opportunities for
Learn More 2023 Legislative Priorities
View along lake Keechelus
Landmark Legislation to Ensure Long-Term Stability for America’s National Heritage Areas Now Law
President Biden signed the National Heritage Area Act yesterday WASHINGTON, DC – Yesterday, President Biden signed the National Heritage Area Act (S. 1942). 
Learn More Landmark Legislation to Ensure Long-Term Stability for America’s National Heritage Areas Now Law
Volunteers at Preston Mill Park posing for photo
Reflecting on the 2022 Volunteer Program: the Revival Year
The 2022 Mountains to Sound Greenway National Heritage Area (Greenway NHA) volunteer program year felt like a step out of the woods. Volunteers came back with
Learn More Reflecting on the 2022 Volunteer Program: the Revival Year