Sweetwater Falls is a 16-foot waterfall on Castle Creek in Park County, Wyoming, in the Middle Rockies region. It lies about 21.6 miles east of West Yellowstone and roughly 109.2 miles northeast of Idaho Falls as the crow flies.
At 16 feet it is on the modest side for Wyoming, where the typical waterfall with a recorded height stands around 60 feet; it ranks 202nd of 230. By form it is a horsetail, where the water keeps some contact with the bedrock as it falls.
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. Castle Creek carries 2 recorded waterfalls; the biggest of them reaches 25 feet.
Park County holds 114 recorded waterfalls, and several are close by. Picnic Falls, a 25-foot tiered waterfall, is under a mile away. Devils Elbow Cascade, a 16-foot cascade waterfall, is under a mile away. Slippery Rock Cascade, a 40-foot cascade waterfall, is about 1 miles away.
Sweetwater Falls is located at 44.7052° N, 110.6689° 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.