Marietta Falls is a waterfall on O’Toole Creek in Skagit County, Washington, in the North Cascades region, with a total height of about 152 feet. It lies about 14.5 miles east of Sedro-Woolley and roughly 31.3 miles southeast of Bellingham as the crow flies.
At 152 feet it is taller than the typical Washington waterfall of about 82 feet, ranking 276th of 941 with a recorded height. The water comes down as a tiered waterfall, falling in several distinct steps one after another, combined with a plunge character. It falls in 2 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.
There are 178 recorded waterfalls in Skagit County. Lower Boyd Creek Falls, is about 1.5 miles away. Boyd Creek Falls, is about 1.8 miles away. Upper Boyd Creek Falls, is about 1.9 miles away.
Marietta Falls is located at 48.5074° N, 121.9191° 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.