Umtanum Creek Falls is a 20-foot waterfall on Umtanum Creek in Kittitas County, Washington, in the Columbia Plateau region. It lies about 9.1 miles south of Ellensburg and roughly 18.3 miles north of Yakima as the crow flies.
At 20 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 851st of 941.
The Columbia Plateau is a vast expanse of layered basalt flows covered by sagebrush steppe, grassland and dryland wheat. Waterfalls here drop over basalt cliffs in coulees and river canyons carved by ancient floods.
Kittitas County holds 86 recorded waterfalls, and several are close by. Coleman Falls, a 50-foot tiered plunge waterfall, is about 19.9 miles away. Taneum Creek Falls, 25 feet high, is about 26.4 miles away. Lower Devil Creek Falls, a 40-foot tiered plunge waterfall, is about 27.3 miles away.
Umtanum Creek Falls is located at 46.8657° N, 120.5338° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.