|Elevation||299 ft (91 m)|
Gregg (formerly, Greenleaf) is an unincorporated community in Madera County, California. It is located on the Atchison, Topeka and Santa Fe Railroad (San Francisco and San Joaquin Valley Railroad line) 2.5 miles (4 km) south-southeast of Trigo, at an elevation of 299 feet (91 m).
- U.S. Geological Survey Geographic Names Information System: Gregg, California
- Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. ISBN 1-884995-14-4.