Jefferson Creek Falls is a waterfall on Jefferson Creek in Mason County, Washington, in the Coast Range region, with a total height of about 29 feet. It lies about 15.7 miles west of Seabeck and roughly 38.1 miles west of Burien as the crow flies.
At 29 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 793rd of 941. The tallest single drop is 11 feet. The water comes down as a tiered waterfall, falling in several distinct steps one after another, combined with a plunge character. It falls in 9 drops.
The Coast Range is a belt of steep, deeply dissected hills along the Pacific, wrapped in dense temperate rainforest of Douglas fir, western hemlock, Sitka spruce and red alder. Heavy winter rain feeds short, fast creeks lined with ferns, salmonberry and moss that drop steeply toward the ocean or the Columbia.
There are 42 recorded waterfalls in Mason County. Unnamed waterfall on Lena Creek, is about 2.3 miles away. Upper Eldon Falls, is about 3.4 miles away. Lower Hamma Hamma Falls, a 37-foot cascade waterfall, is about 3.5 miles away.
Jefferson Creek Falls is located at 47.5711° N, 123.1489° 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.