Humpback Falls is a 23-foot waterfall on Twentytwo Creek in Snohomish County, Washington, in the North Cascades region. It lies about 9.7 miles east of Granite Falls and roughly 19.4 miles east of Marysville as the crow flies.
At 23 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 842nd of 941. By form it is a horsetail, where the water keeps some contact with the bedrock as it falls.
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. Twentytwo Creek carries 5 recorded waterfalls; the biggest of them reaches 225 feet.
Snohomish County holds 224 recorded waterfalls, and several are close by. Confusion Falls, a 134-foot tiered horsetail waterfall, is under a mile away. Mossy Rock Falls, a 145-foot cascade waterfall, is under a mile away. Hundred Step Falls, a 225-foot segmented cascade waterfall, is under a mile away.
Humpback Falls is located at 48.0758° N, 121.7586° 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.