Double Grotto Falls is a waterfall on Otter Creek in Park County, Wyoming, in the Middle Rockies region, with a total height of about 45 feet. It lies about 27.1 miles east of West Yellowstone and roughly 111.9 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 tiered waterfall, falling in several distinct steps one after another. It falls in 2 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.
There are 114 recorded waterfalls in Park County. Bear Feeding Falls, 25 feet high, is about 2 miles away. Upper Yellowstone Falls, a 109-foot punchbowl waterfall, is about 3.2 miles away. Crystal Falls, a 129-foot tiered waterfall, is about 3.3 miles away.
Double Grotto Falls is located at 44.6868° N, 110.5528° 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.