Monahan Creek Falls is a waterfall on Monahan Creek in Cowlitz County, Washington, in the Coast Range region. It lies about 3.7 miles west of Castle Rock and roughly 46.1 miles north of Vancouver as the crow flies.
Its height has not been recorded in the source data.
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.
Cowlitz County holds 26 recorded waterfalls, and several are close by. Coal Creek Falls, is about 6 miles away. Harmony Creek Falls, is about 6.1 miles away. Stella Falls, a 51-foot horsetail waterfall, is about 8.2 miles away.
Monahan Creek Falls is located at 46.2680° N, 122.9835° 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.