'''Temescal Mountains''', formerlyalso known as the '''Sierra Temescal''' ([[Spanish language|Spanish]] for "[[sweat lodge]] mountain range"), are one of the northernmost [[mountain range]]s of the [[Peninsular Ranges]] in western [[Riverside County, California|Riverside County]], in [[Southern California]] in the [[United States]]. They extend for approximately 25 mi (40 km) southeast of the [[Santa Ana River]] east of the [[Elsinore Fault Zone]] to the [[Temecula Basin]] and form the western edge of the [[Perris Block]].
The [[Santa Ana Mountains]] lie to the west, the [[Elsinore Mountains]] to the south and the [[Perris Valley]] and [[Lakeview Mountains]] to the east.<ref>''Santa Ana, California,'' 30x60 Minute Topographic Quadrangle, USGS, 1983</ref>
