Lake Elsinore Diamond

The San Jacinto River is a 42-mile-long (68 km) river in Riverside County, California. The river's headwaters are in Santa Rosa and San Jacinto Mountains National Monument. The lower portion of the 765-square-mile (1,980 km2) watershed is urban and agricultural land. As a partially endorheic watershed that is contiguous with other Great Basin watersheds, the western side of the San Jacinto Basin is a portion of the Great Basin Divide.

Sedco Hills is a former census-designated place (CDP) in Riverside County, California, United States. The population was 3,078 at the 2000 census. Sedco Hills became part of the City of Wildomar upon its incorporation on July 1, 2008.

Elsinore Valley is a graben rift valley in western Riverside County, California, a part of the Elsinore Trough. The Elsinore Valley is a graben between the Santa Ana Block to the southwest and the Perris Block on the northeast. It is a complex graben, divided lengthwise into several smaller sections by transverse faults. The Elsinore Valley graben is bounded northeast side by the Glen Ivy longitudinal fault on the north shore of Lake Elsinore at the foot of the Clevelin Hills and similarly on the southeast by the Willard Fault that runs along the foot of the Santa Ana Mountains and parallel to the Elsinore Fault along the southwest shore of Lake Elsinore to Rome Hill and the Willard Fault continues on as the west side of the Temecula Valley graben and Wolf Valley graben. At the south end of Lake Elsinore the Wildomar Fault enters the lake just east of Rome Hill, running southeast on the northwest side of the Temecula Valley. The Elsinore Valley is marked in the south by the rise between the Elsinore and Temecula Valley. In the north the valley bounds are marked by the Santa Ana Mountain ridges moved eastward along the Los Pinos and Lucerne transverse faults, dividing the Elsinore Valley from the Temescal Valley graben.

Rome Hill, also called St. Davids Hill, is a small summit at the southeast corner of Lake Elsinore. It lies at an elevation of 1,444 feet/440 meters.

Sedco Hills is the informal/local name for a southern section of the Temescal Mountains, located in southwestern Riverside County, California. They were named after the town of Sedco Hills, located on their west side and now part of the city of Wildomar. The placename Sedco was introduced by the South Elsinore Development Company, that subdivided and sold the land on the southeast side of the lake.

Lakeland Village is a census-designated place (CDP) in Riverside County, California, United States. The population was 11,541 at the 2010 census, more than double the 5,626 reported at the 2000 census.

KJNI-LP is a low power radio station broadcasting out of Lake Elsinore, California.

Canyon Lake, sometimes referenced as Railroad Canyon Reservoir, is a reservoir created in 1928 by the construction of the Railroad Canyon Dam in Railroad Canyon or (San Jacinto Canyon) in the Temescal Mountains of southwestern Riverside County, California. The reservoir covers approximately 525 acres (212 ha), has 14.9 miles (24.0 km) of shoreline, and has a storage capacity of 11,586 acre⋅ft (14,291,000 m3). It is owned and operated by the Elsinore Valley Municipal Water District. The reservoir is supplied by storm water runoff from the San Jacinto River and Salt Creek. Water from the reservoir feeds the Canyon Lake Water Treatment Plant, which provides approximately 10% of the domestic water supply in the Lake Elsinore and city of Canyon Lake area. Canyon Lake has an average depth of 20 feet (6.1 m). Catch and release fishing is strictly enforced.

Lake Elsinore is a natural freshwater lake in Riverside County, California, United States, located east of the Santa Ana Mountains and fed by the San Jacinto River. Originally named Laguna Grande by Spanish explorers, it was renamed for the town of Elsinore, established on its northeastern shore on April 9, 1888. Lake levels have fluctuated greatly from dry spells to flooding. Lake Elsinore was home to Lake Shore Beach Club, an African American resort.

Rancho La Laguna was a 13,339-acre (53.98 km2) Mexican land grant in present-day Riverside County, California given in 1844 by Governor Manuel Micheltorena to Julian Manriquez. The rancho lands are included in the present day city of Lake Elsinore and Wildomar. At the time of the US Patent, Rancho Laguna was a part of San Diego County. The County of Riverside was created by the California Legislature in 1893 by taking land from both San Bernardino and San Diego Counties.

Lake Elsinore is a city in western Riverside County, California, United States. Established as a city in 1888, it is on the shore of Lake Elsinore, a natural freshwater lake about 3,000 acres (1,200 ha) in size. The city has grown from a small resort town in the late 19th and early 20th centuries to a suburban city with over 70,000 residents.

Canyon Lake is a city and gated community in Riverside County, California, United States, located on Canyon Lake reservoir. Canyon Lake began as a master-planned community developed by the Corona Land Company in 1968. The City of Canyon Lake was incorporated on December 1, 1990. Railroad Canyon Dam was built in 1927, and impounds the San Jacinto River to fill the reservoir, which covers 383 acres (1.55 km2) and has 14.9 miles (24.0 km) of shoreline.