Live Oak Creek, a stream with its source in Reagan County, Texas at 31°10′45″N 101°42′01″W / 31.17917°N 101.70028°W at an elevation of 2938 feet, that runs southward to its mouth at an elevation of 2001 feet on the Pecos River in Crockett County, Texas.
Live Oak Creek was a water source on the San Antonio-El Paso Road, 30.44 miles from Howard Springs and 3 miles from Fort Lancaster and 7.29 miles from Pecos Crossing.Fort Lancaster was located to the east of this creek near its mouth.
On July 9, 1857, Edward Fitzgerald Beale described it:
Coordinates: 30°39′08″N 101°42′31″W / 30.65222°N 101.70861°W