Lone Tree Creek is a tributary stream of the San Joaquin River now diverted, in San Joaquin County, California. Its source is in the Diablo Range at its confluence with its North Fork and Middle Fork tributary streams at at an elevation of . Its mouth was originally at its confluence with the San Joaquin River, but later was diverted into the Delta Mendota Canal at , but now interrupted by development, reaches just past the mouth of its canyon at an elevation of .