Big Bend, California
Big Bend 
    Madesi Valley  | |
|---|---|
Location in Shasta County and the state of California  | |
| Coordinates: 41°1′11″N 121°54′28″W / 41.01972°N 121.90778°W | |
| Country | United States | 
| State | California | 
| Area | |
 • Total  | 5.82 sq mi (15.08 km2) | 
| • Land | 5.74 sq mi (14.85 km2) | 
| • Water | 0.09 sq mi (0.23 km2) 1.53% | 
| Elevation | 1,701 ft (514 m) | 
| Population  (2020)  | |
 • Total  | 79 | 
| • Density | 13.78/sq mi (5.32/km2) | 
| Time zone | UTC-8 (Pacific (PST)) | 
| • Summer (DST) | UTC-7 (PDT) | 
| ZIP code | 96011  | 
| Area code | 530 | 
| FIPS code | 06-06475 | 
| GNIS feature ID | 0256886 | 
Big Bend of the Madesi Valley is the indigenous homeland of the Madesi tribe, located in Shasta County, northeastern California. It is named for a major change in course of the Pit River.
Its population is 79 as of the 2020 census, down from 102 from the 2010 census. For statistical purposes, the United States Census Bureau has defined Big Bend as a census-designated place (CDP).