Lost Creek Falls is a 40-foot waterfall on Lost Creek in Mineral County, Montana, in the Northern Rockies region. It lies about 26.3 miles southwest of Plains and roughly 55.5 miles west of Missoula as the crow flies.
At 40 feet it is on the modest side for Montana, where the typical waterfall with a recorded height stands around 250 feet; it ranks 105th of 123. By form it is a tiered waterfall, falling in several distinct steps one after another. It falls in 2 drops.
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.
It is the only recorded waterfall in Mineral County. Rambiker Falls, is about 6.7 miles away across the state line in Idaho. Tumbledown Falls, is about 16.3 miles away across the state line in Idaho. Cascade Falls, 360 feet high, is about 18.8 miles away.
Lost Creek Falls is located at 47.1148° N, 115.1174° 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.