Nine Hour Falls is one of the recorded waterfalls in King County, Washington, in the North Cascades region. It lies about 11.7 miles east of Tanner and roughly 27.9 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.
There are 236 recorded waterfalls in King County. Tin Cup Joe Falls, a 463-foot segmented horsetail waterfall, is about 1.2 miles away. Wild Dare Falls, a 391-foot tiered horsetail waterfall, is about 1.4 miles away. Garfield Creek Falls, a 350-foot tiered cascade waterfall, is about 1.4 miles away.
Nine Hour Falls is located at 47.5246° N, 121.5073° 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 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.