Mount Jurupa is a large hill/small mountain located in northwestern Riverside County, California

Riverside County, California

Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...

. The summit is just south of the Riverside

Riverside County, California

Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...

 – San Bernardino

San Bernardino County, California

San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...

 county line. It is the highest peak in the Jurupa Mountains

Jurupa Mountains

The Jurupa Mountains are a mountain range in northwestern Riverside County, California, United States. The northern flanks of the range extend into neighboring San Bernardino County...

. An easily accessible trail leads to the summit, which offers spectacular views of Riverside

Riverside, California

Riverside is a city in Riverside County, California, United States, and the county seat of the eponymous county. Named for its location beside the Santa Ana River, it is the largest city in the Riverside-San Bernardino-Ontario metropolitan area of Southern California, 4th largest inland California...

, Fontana

Fontana, California

Fontana is a city of 196,069 residents in San Bernardino County, California. Founded in 1913, it remained essentially rural until World War II, when entrepreneur Henry J. Kaiser built a large steel mill in the area...

, San Bernardino

San Bernardino, California

San Bernardino is a city located in the Riverside-San Bernardino metropolitan area , and serves as the county seat of San Bernardino County, California, United States...

, and Moreno Valley

Moreno Valley, California

Moreno Valley is a city located in Riverside County, California.A relatively young city, its rapid growth in the 1980s and the first decade of the 21st century made it second-largest city in Riverside County by population, and one of the Inland Empire's population centers. As of the 2010 census,...

.

In a small canyon at the base of the hill is the Jurupa Mountains Cultural Center, a non-profit educational facility that includes nature trails, gardens, and an Earth Science Museum.

The name can be traced to the Jurupa land grant

Rancho Jurupa

Rancho Jurupa was a Mexican land grant in California, United States, that is divided by the present-day counties of Riverside and San Bernardino. The land was granted to Juan Bandini by Governor Juan B. Alvarado in 1838...

 dated September 28, 1838. Before the secularization of the missions, Jurupa was the name of one of the Mission San Gabriel ranchos.
Jarupa was probably a Serrano or Gabrielino Shoshonean name.