The Yakima Valley Professional Review and Guide
"This 73-mile drive weaves alongside the Yakima River through 27 miles of desert canyon and goes southwest through the agricultural Lower Yakima Valley. The Yakima River has not changed course as so many rivers have. Its erosion over time has kept pace with the uplift of the surrounding mountains. Geologic history can therefore be read in the basalt canyon walls with their towering ridges and stark cliffs.
This is a favorite place for rockhounds who like the crumbly rock walls of the canyon. Look for bighorn sheep on the drive. On the water, catch-and-release trout fishing is very popular. Special attractions: The Yakima River with camping, rafting, boating, fishing, and hiking; Central Washington Agricultural Museum; Yakima Nation Cultural Center; Toppenish Murals; Sears kit home; American Hop Museum. This eTrail is a complete description of a scenic drive with a route map and information on the best travel seasons, interesting sites, recreation opportunities, camping locations, and much more."