The Round Valley Indian Reservation is a federally recognized Indian reservation lying primarily in northern Mendocino County, California, USA. A small part of it extends northward into southern Trinity County. The total land area, including off-reservation trust land, is 36.270 sq mi. More than two-thirds of this area is off-reservation trust land, including about 405 acres in the community of Covelo. The total resident population as of the 2000 census was 300 persons, of whom 99 lived in Covelo. The Round Valley Indians consists of the Covelo Indian Community. This community is an acculmination of small tribes; the Yuki, who were the original inhabitants of Round Valley, Concow, Little Lake and other Pomo, Nomlaki, Cahto, Wailaki, and Pit River peoples.
Contributions by Asiaticus, Uyvsdi, and Goldenrowley.