Butte County, California
Its county seat is Oroville, and its biggest city is Chico. The county has a land area of 1,677 square miles (4,343 square kilometers), 38 square miles (98 square kilometers) of which is water. The Sacramento River flows along it in a north-south direction and the Feather River flows through it in an east-west direction. The Sierra Nevada mountains rise above the county on the east side.