Course
The river rises in the Cascade Range at an elevation of 2,449 feet (746 m) at Keechelus Dam on Keechelus Lake near Snoqualmie Pass, near Easton. The river flows through that town, skirts Ellensburg, passes the city of Yakima, and continues southeast to Richland, where it flows into the Columbia River at an elevation of 340 feet (100 m).
Read more about this topic: Yakima River