Leggett (formerly, Leggett Valley) is a census-designated place in Mendocino County, California. It is located on the South Fork of the Eel River  northwest of Laytonville, at an elevation of 984 feet (300 m). It is home to some of the largest trees in the world. Nearby Smithe Redwoods State Reserve and the Standish-Hickey State Recreation Area are noted for their forests of Coastal Redwoods. The population was 122 at the 2010 census.