Purgatory Falls is a waterfall on Acheron Creek in Teton County, Wyoming, in the Middle Rockies region, with a total height of about 90 feet. It lies about 26.9 miles northeast of Ashton and roughly 76.4 miles northeast of Idaho Falls as the crow flies.
At 90 feet it is taller than the typical Wyoming waterfall of about 60 feet, ranking 90th of 230 with a recorded height. The tallest single drop is 65 feet. The water comes down as a tiered waterfall, falling in several distinct steps one after another. It falls in 2 drops.
The Middle Rockies are high, glaciated mountain ranges with alpine peaks, subalpine fir and spruce forest, lodgepole pine and grassy intermontane valleys. Snowmelt streams cascade down glacial valleys and canyon walls. Acheron Creek carries 2 recorded waterfalls, and Purgatory Falls is the tallest of them.
There are 121 recorded waterfalls in Teton County. Emerald Pool Falls, a 15-foot plunge waterfall, is under a mile away. Chasm Falls, a 15-foot plunge waterfall, is under a mile away. Graceful Falls, a 25-foot cascade waterfall, is about 1.5 miles away.
Purgatory Falls is located at 44.2688° N, 110.9792° 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 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.