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.

Upper Yakima Basin Itineraries and Guides

Fall in the Mountains to Sound Greenway National Heritage Area brings a breathtaking transformation, with vibrant colors sweeping across the landscape. One of the season’
As winter unfolds across the 1.5-million-acre expanse of the Mountains to Sound Greenway National Heritage Area (Greenway NHA), a fascinating array of weather patterns emerges
Since time immemorial, Tribes have lived on, cared for, and governed their ancestral homelands including lands and waters within the area designated as the Mountains

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!