Threemile Falls is a waterfall on Threemile Creek in Pend Oreille County, Washington, in the Northern Rockies region. It lies about 35 miles northeast of Colville and roughly 84.7 miles north of Spokane Valley as the crow flies.
Its height has not been recorded in the source data.
The Northern Rockies are rugged, glaciated mountains with dense forests of western red cedar, hemlock, larch and Douglas fir in the moist valleys and alpine terrain above. Abundant snowmelt feeds rivers and cascading creeks.
Pend Oreille County holds 24 recorded waterfalls, and several are close by. Beaver Creek Falls, is under a mile away. Flume Creek Falls, is about 1.8 miles away. Everett Falls, is about 2.1 miles away.
Threemile Falls is located at 48.8968° N, 117.3499° 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.