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

Girl looking down at phone outdoors
Using iNaturalist to Learn and Connect in the Greenway
With the arrival of summer sun comes mysterious new plants popping out of the ground. Where soil was bare just months ago, plant life abounds.
Learn MoreUsing iNaturalist to Learn and Connect in the Greenway
USDA Announces $503 Million to Improve Recreation, Conservation During Pacific Northwest National Forest Visit
On June 6, 2022 Deputy Agriculture Secretary Dr. Jewel Bronaugh announced the U.S. Department of Agriculture is investing more than half a billion dollars through the
Learn MoreUSDA Announces $503 Million to Improve Recreation, Conservation During Pacific Northwest National Forest Visit
Mountains to Sound Greenway National Heritage Area Draft Management Plan Now Open for Public Comment
The Mountains to Sound Greenway National Heritage Area (Greenway NHA) is a unique geographic corridor made up of connected ecosystems and communities spanning 1.5 million acres
Learn MoreMountains to Sound Greenway National Heritage Area Draft Management Plan Now Open for Public Comment