Red Bluff is a city in and the county seat of Tehama County, California, United States. The population was 14,076 at the 2010 census, up from 13,147 at the 2000 census.
It is located 131 miles (211 kilometers) north of Sacramento, 31 miles (50 km) south of Redding, and it is bisected by Interstate 5. Red Bluff is situated on the banks of the upper Sacramento River.
It was originally known as Leodocia, but was renamed to Covertsburg in 1853. It got its current name in 1854. Located at the head of navigation on the Sacramento River the town flourished in the mid to late 19th century as a landing point for miners heading to the Trinity County gold fields and later as a temporary terminus for the Southern Pacific Railroad's northward expansion.
Red Bluff is on the northern edge of the Sacramento Valley, and is the third largest city in the Shasta Cascade region. It is about 31 miles (50 km) south of Redding, 40 miles (64 km) northwest of Chico, and 131 miles (211 km) north of Sacramento.
The city is located at 40°10′36″N 122°14′17″W (40.176640, -122.237951).