Forlorn Falls is a 15-foot waterfall on Gregg Fork Bechler River in Teton County, Wyoming, in the Middle Rockies region. It lies about 27.9 miles south of West Yellowstone and roughly 80.5 miles northeast of Idaho Falls as the crow flies.
At 15 feet it is on the modest side for Wyoming, where the typical waterfall with a recorded height stands around 60 feet; it ranks 204th of 230. By form it is a cascade, descending over a series of rock steps rather than in a single drop.
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. Gregg Fork Bechler River carries 4 recorded waterfalls; the biggest of them reaches 130 feet.
Teton County holds 121 recorded waterfalls, and several are close by. Ragged Falls, a 45-foot cascade waterfall, is under a mile away. Phillips Fork Falls, a 5-foot block waterfall, is under a mile away. Groom Falls, a 20-foot cascade waterfall, is under a mile away.
Forlorn Falls is located at 44.2892° N, 110.8889° 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 position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.