Ontario topographic map

Average elevation: 1,768 ft

Yucca Valley lies in the middle of the Morongo Basin at a base elevation of 3,300 feet. Joshua Tree National Park is adjacent to its southern border.

Average elevation: 3,629 ft

At a surface elevation of 6,743 ft (2,055 m) above sea level, it has an east-west length of approximately seven miles (11 km) and is approximately 2.5 miles (4.0 km) at its widest measurement, though the lake's width mostly averages a little more than 1⁄2 mi (0.8 km). These approximations are based on the…

Average elevation: 7,247 ft

Average elevation: 4,268 ft

San Bernardino features a hot-summer Mediterranean climate (Csa in the Köppen climate classification) with mild winters and hot, dry summers. Relative to other areas in Southern California, winters are colder, with frost and with chilly to cold morning temperatures common. The particularly arid climate during…

Average elevation: 2,172 ft

Average elevation: 5,289 ft

Due to its topography of rolling hills, Chino Hills was primarily rural prior to the mid-1970s; most land was utilized for equestrian purposes and for dairies, except for the multi-use purposes of the State of California, promoting jobs for the community through day labor from the Chino Institute for Men on…

Average elevation: 837 ft

Average elevation: 5,262 ft

Average elevation: 2,533 ft

Upland is a city in San Bernardino County, California, United States. The municipality is located at an elevation of 1,242 feet (379 m). As of the 2010 census, the city had a population of 73,732, up from 68,393 at the 2000 census. It was incorporated on May 15, 1906, after previously being named North…

Average elevation: 1,499 ft

The elevation of Apple Valley is approximately 2,900 feet (880 m) above sea level.

Average elevation: 3,205 ft

Southwestern areas of Phelan are in the foothills of the San Gabriel Mountains, reaching elevations of more than 4,900 feet above sea level. The California Aqueduct runs through the northern half of the town, eleven miles (18 km) from State Route 18 and ten miles (16 km) from Phelan Road. Covering more than 60…

Average elevation: 3,875 ft

Average elevation: 5,118 ft

Average elevation: 1,722 ft

Running Springs is a mountain community in the San Bernardino Mountains. It is an inholding in the San Bernardino National Forest. Situated at the junction of State Route 18 and State Route 330, it is a major gateway to the mountain communities of Lake Arrowhead, Arrowbear, Green Valley Lake, and Big Bear and…

Average elevation: 5,433 ft

Average elevation: 6,745 ft

The particularly arid climate during the summer prevents tropospheric clouds from forming, meaning temperatures rise to what is considered Class Orange by NOAA. Rialto gets an average of 16 inches (410 mm) of rain, and maybe hail most of this rainfall precipitates in winter. During winter, Rialto's…

Average elevation: 1,283 ft

Average elevation: 6,719 ft

Average elevation: 725 ft

Average elevation: 4,764 ft

It is estimated that the Serrano natives first settled in Big Bear between 1,500 and 2,000 years ago. The Serranos had both winter and summer settlements throughout the area. While their winter village was located in Lucerne Valley, they relocated to villages in the San Bernardino mountains during summer, as…

Average elevation: 7,070 ft

Average elevation: 4,610 ft

Average elevation: 1,775 ft

Average elevation: 3,025 ft

Average elevation: 5,381 ft

Average elevation: 2,106 ft

Average elevation: 3,314 ft

Average elevation: 1,096 ft

Average elevation: 4,160 ft

Average elevation: 2,343 ft

Average elevation: 5,118 ft

Yucca Valley lies in the middle of the Morongo Basin at a base elevation of 3,300 feet. Joshua Tree National Park is adjacent to its southern border.

Average elevation: 3,629 ft

Average elevation: 4,029 ft

Average elevation: 3,711 ft

Average elevation: 3,301 ft

Average elevation: 3,812 ft

It is estimated that the Serrano natives first settled in Big Bear between 1,500 and 2,000 years ago. The Serranos had both winter and summer settlements throughout the area. While their winter village was located in Lucerne Valley, they relocated to villages in the San Bernardino mountains during summer, as…

Average elevation: 7,110 ft

Average elevation: 1,519 ft

Average elevation: 1,804 ft

Average elevation: 4,259 ft