Preston Falls is a 15-foot waterfall on Tuolumne River in Tuolumne County, California, in the Sierra Nevada region. It lies about 19.3 miles northwest of Yosemite Valley and roughly 52 miles northeast of Merced as the crow flies.
At 15 feet it is on the modest side for California, where the typical waterfall with a recorded height stands around 70 feet; it ranks 264th of 286.
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. Tuolumne River carries 15 recorded waterfalls; the biggest of them reaches 360 feet.
Tuolumne County holds 84 recorded waterfalls, and several are close by. Unnamed waterfall on Tuolumne River, is under a mile away. Unnamed waterfall on Tuolumne River, is under a mile away. Unnamed waterfall on Tuolumne River, is about 1.6 miles away.
Preston Falls is located at 37.8847° N, 119.8813° 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.