The La Loma Hills are a low and short

mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arise ...

of the

Peninsular Ranges The Peninsular Ranges (also called the Lower California province) are a group of mountain ranges that stretch from Southern California to the southern tip of the Baja California peninsula; they are part of the North American Coast Ranges, which ...

System, in the urban

Inland Empire The Inland Empire (IE) is a metropolitan area and region inland of and adjacent to coastal Southern California, centering around the cities of San Bernardino and Riverside, and bordering Los Angeles County to the west. It includes the cities o ...

region of

Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most po ...

Geography

The hills are located in extreme southwestern

San Bernardino County San Bernardino County (), officially the County of San Bernardino, is a county located in the southern portion of the U.S. state of California, and is located within the Inland Empire area. As of the 2020 U.S. Census, the population was 2,181, ...

, north of the city of

Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...

and the Riverside County line. The

Santa Ana River The Santa Ana River is the largest river entirely within Southern California in the United States. It rises in the San Bernardino Mountains and flows for most of its length through San Bernardino and Riverside Counties, before cutting through ...

course is naturally redirected in a right angle to the west by the La Loma Hills, flowing along their northern side and then returning south again along their western sides. The community of Highgrove is on the southeast; Interstate 215, community of

Grand Terrace Grand Terrace is a city in San Bernardino County, California, United States. The population was 12,040 at the 2010 census, up from 11,626 at the 2000 census. Grand Terrace is located between Highgrove and Colton, along the I-215 and Agua Mans ...

, and the

Kalmia Hills The Kalmia Hills are a low mountain range of the Peninsular Ranges System, in northwestern Riverside County of southern California. Geography The range defines the northern side of the Moreno Valley landform, and is north of the city of Moreno V ...

are on the east; and the city of Colton is across the river to the northeast. Geologically, they are part of the Northern

Perris Block The Perris Block is the central block of three major Fault block, fault-bounded blocks of the northern part of the Peninsular Ranges. The Perris Block lies between the Santa Ana Block to the west and the San Jacinto Block to the east. The Perris B ...

, the central block of three major fault-bounded blocks of the northern part of the Peninsular Ranges. The

San Jacinto Fault Zone The San Jacinto Fault Zone (SJFZ) is a major strike-slip fault zone that runs through San Bernardino, Riverside, San Diego, and Imperial Counties in Southern California. The SJFZ is a component of the larger San Andreas transform system and i ...

is to the northeast.

References

Mountain ranges of San Bernardino County, California Peninsular Ranges Santa Ana River Hills of California Mountain ranges of Southern California {{SanBernardinoCountyCA-geo-stub

Geography

See also

References