Upper Falls is a waterfall on West Fork Yaak River in Lincoln County, Montana, in the Northern Rockies region. It lies about 30.3 miles west of Eureka and roughly 111.6 miles northeast of Spokane Valley as the crow flies.
Its height has not been recorded in the source data. 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.
Lincoln County holds 14 recorded waterfalls, and several are close by. Lower Falls, is about 1.6 miles away. Turner Falls, a 50-foot plunge waterfall, is about 7.6 miles away. Copper Falls, 160 feet high, is about 19.5 miles away across the state line in Idaho.
Upper Falls is located at 48.9313° N, 115.7171° 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 position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.