Peterson Falls is a 40-foot waterfall on Agate Creek in Park County, Wyoming, in the Middle Rockies region. It lies about 38.9 miles east of West Yellowstone and roughly 110.8 miles southwest of Billings as the crow flies.
At 40 feet it is on the modest side for Wyoming, where the typical waterfall with a recorded height stands around 60 feet; it ranks 135th of 230. The tallest single drop is 15 feet. By form it is a tiered waterfall, falling in several distinct steps one after another. It falls in 5 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.
Park County holds 114 recorded waterfalls, and several are close by. Palisade Falls, a 50-foot tiered waterfall, is about 1.5 miles away. Tower Fall, a 132-foot plunge waterfall, is about 3.3 miles away. Boulder Falls, a 25-foot plunge waterfall, is about 3.3 miles away.
Peterson Falls is located at 44.8512° N, 110.3576° 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 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.