From Ellensburg, Seattle, Spokane and other points north: From I-90 take Exit 109 Hwy 821 (Canyon Road) south into the Yakima River Canyon.
Umtanum Recreation Area is on the right, located at milepost 16, twelve miles south of Ellensburg.
From Yakima, Tri-cities, Portland and other points south: From Yakima take Hwy 12 west to I-82 W. Take exit 26 Hwy 821(Canyon Rd.) north. Follow Hwy 821 for 16.9 miles. Umatanum Recreation Area will be on your left.