Island Mountain Falls is one of the recorded waterfalls on Delate Creek in Kittitas County, Washington, in the North Cascades region. It lies about 22.5 miles northwest of Cle Elum and roughly 41.9 miles east of Sammamish as the crow flies.
No height measurement has been recorded for it yet.
The North Cascades are a wilderness of jagged peaks, glaciers and deep, forested valleys of western hemlock, silver fir and Douglas fir, with some of the heaviest snowfall in the country. Meltwater from glaciers and snowfields pours down thousands of feet of cliffs in countless cascades and horsetail falls. Delate Creek carries 3 recorded waterfalls along its course.
There are 86 recorded waterfalls in Kittitas County. Escondido Falls, is about 1.6 miles away. Lemah Creek Falls, a 165-foot tiered horsetail waterfall, is about 2.2 miles away. Delate Creek Falls, a 95-foot cascade waterfall, is about 2.2 miles away.
Island Mountain Falls is located at 47.4580° N, 121.2247° 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.