St. Louis Falls is a 97-foot waterfall on Deer Creek in Snohomish County, Washington, in the North Cascades region. It lies about 9.8 miles south of Darrington and roughly 27.5 miles east of Marysville as the crow flies.
At 97 feet it is taller than the typical Washington waterfall of about 82 feet, ranking 415th of 941 with a recorded height. The tallest single drop is 36 feet. By form it is a tiered waterfall, falling in several distinct steps one after another, combined with a horsetail character. It falls in 4 drops.
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. Deer Creek carries 11 recorded waterfalls; the biggest of them reaches 152 feet.
Snohomish County holds 224 recorded waterfalls, and several are close by. Deer Creek Falls, a 33-foot curtain horsetail waterfall, is under a mile away. Devils Peak Falls, is under a mile away. Quarry Falls, is about 2.1 miles away.
St. Louis Falls is located at 48.1136° N, 121.5883° 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.