The Federal Correctional Institution, Three Rivers (FCI Three Rivers) is a medium-security United States federal prison for male inmates in unincorporated Live Oak County, Texas. It is operated by Federal Bureau of Prisons, a division of the United States Department of Justice. The facility also has an adjacent satellite prison camp which houses minimum-security male offenders. FCI Three Rivers is approximately 80 miles (130 km) south of San Antonio and 73 miles (117 km) northwest of Corpus Christi.