Twin Falls is a waterfall on Mammoth Creek in Mono County, California, in the Sierra Nevada region, with a total height of about 140 feet. It lies about 3.3 miles southwest of Mammoth Lakes and roughly 66.4 miles northeast of Clovis as the crow flies.
At 140 feet it is taller than the typical California waterfall of about 70 feet, ranking 90th of 286 with a recorded height.
The Sierra Nevada is a long granite range with glacially carved canyons, alpine meadows and forests of ponderosa and Jeffrey pine, incense cedar and giant sequoia. Snowmelt-fed rivers pour over polished granite steps and cliffs, especially in spring and early summer. Mammoth Creek carries 2 recorded waterfalls, and Twin Falls is the tallest of them.
There are 42 recorded waterfalls in Mono County. Mammoth Creek Falls, 40 feet high, is about 1.2 miles away. Reds Creek Falls, is about 4.1 miles away. Rainbow Falls, 101 feet high, is about 4.1 miles away.
Twin Falls is located at 37.6117° N, 119.0100° 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.