Prepared by the Yakama Indian Nation
By Carlos Lawrence,2014-11-05 06:04
Yakima River Subbasin
The Yakima River originates in the Cascade Mountains above Lake Keechelus at an elevation of 6,900 feet.
The Yakima mainstem is 214 miles long and the catchment basin has an area of 6,155 square miles. The river flows in
a southeasterly direction entering the Columbia River at river mile (RM) 335 near Richland, Washington. The major