This article relies largely or entirely on a single source. (April 2021)
Yusumne (also, Yaesumnes, Yajumui, Yalesumnes, Yalesumni, Yasumnes, Yasumni, and Yosumnis) is a former Maidu settlement in Amador County, California. It was located either on the South Fork of American River or near Ione. Its precise location is unknown.