Littlesmouth Cascade is a waterfall on Littles Fork Bechler River in Teton County, Wyoming, in the Middle Rockies region, with a total height of about 45 feet. It lies about 27.5 miles southeast of West Yellowstone and roughly 81.7 miles northeast of Idaho Falls as the crow flies.
At 45 feet it is on the modest side for Wyoming, where the typical waterfall with a recorded height stands around 60 feet; it ranks 131st of 230. The water comes down as 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. Littles Fork Bechler River carries 3 recorded waterfalls; the biggest of them reaches 110 feet.
There are 121 recorded waterfalls in Teton County. Fusion Falls, a 6-foot block waterfall, is under a mile away. Ethereal Falls, a 200-foot tiered waterfall, is under a mile away. Tempe Cascade, a 110-foot tiered waterfall, is under a mile away.
Littlesmouth Cascade is located at 44.3002° N, 110.8701° 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.