Lower Undine Falls is a 35-foot waterfall on Lava Creek in Park County, Wyoming, in the Middle Rockies region. It lies about 30 miles northeast of West Yellowstone and roughly 119 miles southwest of Billings as the crow flies.
At 35 feet it is on the modest side for Wyoming, where the typical waterfall with a recorded height stands around 60 feet; it ranks 152nd of 230. By form it is a plunge, where the water drops vertically and loses contact with the rock face.
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. Lava Creek carries 2 recorded waterfalls; the biggest of them reaches 60 feet.
Park County holds 114 recorded waterfalls, and several are close by. Undine Falls, a 60-foot tiered waterfall, is under a mile away. Wraith Falls, a 100-foot slide waterfall, is about 1.1 miles away. Osprey Falls, a 150-foot plunge waterfall, is about 2.2 miles away.
Lower Undine Falls is located at 44.9451° N, 110.6412° 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 position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.