Cahuilla Creek

Lake Riverside is a census-designated place in the south western part of Riverside County, California. Lake Riverside sits at an elevation of 3,379 feet (1,030 m). The 2010 United States census reported Lake Riverside's population was 1,173. The community is named after the man-made Lake that the community surrounds.

Aguanga (; Luiseño: Awáanga, meaning "dog place") is a census-designated place located within the Inland Empire, Riverside County, California. It is located about 18 miles (29 km) east of Temecula and 22 miles (35 km) south-southeast of Hemet. Aguanga lies at an elevation of 1955 feet (596 m). As of the 2010 census, it had a population of 1,028.

Radec is a small unincorporated community in Riverside County, California, United States. Located roughly 15 miles east by southeast of the city of Temecula, the community of Radec ('Cedar' spelled backwards) is located along Highway 79. Having bought land in the area in 1883, early settler Samuel Tripp set up a post office there. As of 1893–4, a local directory listed the area as growing honey, hay and stock, but also as having "no commercial interest of any kind." A total of 14 people, mainly farmers and beekeepers, plus a laborer and Tripp, are listed in the directory. The County of Riverside owns a small, non-operational cemetery in Radec.

The Cahuilla Mountain Wilderness is a federally designated wilderness area located in Riverside County in Southern California. The 5,575 acres (2,256 ha) wilderness is managed by the United States Forest Service in the San Bernardino National Forest. The summit of Cahuilla Mountain sits at 5604 feet (1708 m) and provides an excellent view of the nearby Juan Bautista de Anza National Historic Trail. A trail to the top winds through the chaparral, as well as groves of live oak and Jeffrey pine. Local wildlife include mountain lion, mountain and California quail, and the rare red diamond rattlesnake.

Wilson Creek is a tributary stream of Temecula Creek, itself a tributary of the Santa Margarita River, in Riverside County, California. Its mouth is at its confluence with the reservoir of Vail Lake on Temecula Creek at an elevation of 1,460 feet (450 m). Its source is located on the south slope of Little Cahuilla Mountain at 33°36′21″N 116°48′44″W, at an elevation of 4,880 feet (1,490 m). It descends south and southwest into Reed Valley, then to its confluence with Cahuilla Creek at the head of Wilson Valley. There it turns to flow westward through Wilson Valley and Lancaster Valley to its confluence with Vail Lake.

Vail Lake is a large reservoir in western Riverside County, southern California.

The Black Hills are a small and low mountain range in the northern Peninsular Ranges System, in Riverside County, southern California. Its summit is 2,739 feet (835 m). They are located east of the city of Temecula. Oak Mountain is to the south of the hills.

Butterfield Valley is a valley along the course of Temecula Creek, in Riverside County, California. Its lower end is now filled by Vail Lake. It heads at 33°27′39″N 116°55′34″W and its mouth is at the site of the Vail Lake Dam at the head of the deep canyon Temecula Creek has cut through Oak Mountain to the Pauba Valley.

Cahuilla, pronounced , (formerly, Kawia, Coahuilla, Cohuilla, and Coahuila) is an unincorporated community in Riverside County, California. It is part of the Cahuilla Reservation and lies in a high desert valley at an elevation of 3642 feet (1110 m). It is located 27 miles (43.5 km) south by road from mile-high Idyllwild. Cahuilla is on SR 371, about 4 miles (6.4 km) west of Anza, California. The Cahuilla Post Office first opened in 1888, moved in 1889 and 1895, closed in 1903, reopened in 1909, closed for a time in 1919, closed again in 1921, reopened in 1924 before closing for good in 1926. In 1926, the Anza Post Office was officially established.: 12 Facilities in Cahuilla have addresses on Highway 371 and use Anza, CA as their postal code. The Cahuilla Casino, first opened in 1996, and Mountain Sky Travel Center, a convenience store and gas station first opened in 2015, are both owned by the Cahuilla Band of Mission Indians of the Cahuilla Reservation and both located in Cahuilla with addresses in nearby Anza. A new casino and hotel, after some delay from the coronavirus, replaced the old casino and was opened May 2020.

Oak Grove Butterfield Stage Station is located in the western foothills of the Laguna Mountains, in northern San Diego County, California. It is located on State Route 79, 13 miles (21 km) northwest of Warner Springs and Warner's Ranch. The station was built on the site of Camp Wright, an 1860s Civil War outpost.

Oak Grove is an unincorporated community in northern San Diego County, California, United States. The community is on California State Route 79, 22 miles (35 km) east-southeast of Temecula. It is home to the Oak Grove Butterfield Stage Station.

Palomar Mountain ( PAL-ə-mar; Spanish: Monte Palomar [paloˈmaɾ]) is a mountain ridge in the Peninsular Ranges in northern San Diego County. It is famous as the location of the Palomar Observatory and Hale Telescope, and known for the Palomar Mountain State Park.