The Quartz Valley Indian Community of the Quartz Valley Reservation of California is a federally recognized tribe of Klamath, Karuk, and Shasta Indians in Siskiyou County, California.
The Quartz Valley Reservation was originally located near the current reservation but was terminated by the US government in the 1960s. The current reservation is 174 acres (0.704 km2) large, and the tribe is working to acquire additional lands.
Nearby communities are Greenview, Fort Jones, and Etna, California.
Coordinates: 41°36′41″N 122°58′21″W / 41.61139°N 122.97250°W / 41.61139; -122.97250