Tappen Falls is one of the recorded waterfalls on Middle Fork Salmon River in Valley County, Idaho, in the Idaho Batholith region. It lies about 36.3 miles northwest of Challis and roughly 113.1 miles northeast of Boise as the crow flies.
No height measurement has been recorded for it yet.
The Idaho Batholith is a maze of steep granite mountains and deep canyons blanketed by lodgepole and ponderosa pine and Douglas fir, with some of the largest roadless areas in the lower 48. Rivers here are wild and fast, dropping through rocky gorges. Middle Fork Salmon River carries 3 recorded waterfalls along its course.
There are 4 recorded waterfalls in Valley County. Forge Creek Falls, is about 9.1 miles away. Waterfall Creek Falls, is about 14.8 miles away.
Tappen Falls is located at 44.8786° N, 114.7520° 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.