Highlight β’ Monument
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The Lake Mathews Reservoir Dam stands as a monumental feat of engineering in Riverside County, California, nestled within the scenic Cajalco Canyon in the foothills of the Temescal Mountains. This impressive man-made structure, with an elevation of 381 meters (1,250 feet), is the vital western terminus of the Colorado River Aqueduct, playing an indispensable role in supplying water to much of Southern California. Its immense scale and critical function make it a significant landmark in the region.
What truly captivatesβ¦
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April 9, 2022
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Nearby routes
Best routes near Lake Mathews Reservoir Dam
14.4km
00:58
130m
130m
49.8km
03:24
760m
760m
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Elevation 380Β m
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Sunday 22 March
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Max wind speed: 13.0Β km/h
No, Lake Mathews Reservoir Dam and the reservoir itself are not open to public access for recreational activities such as hiking, swimming, boating, or fishing. The Metropolitan Water District of Southern California (MWD) strictly prohibits public entry to preserve water quality, as it serves as a critical drinking water source for millions in Southern California.
While direct access is restricted, you can view Lake Mathews Reservoir Dam from surrounding public roads. Good vantage points can be found along Cajalco Road to the south, El Sobrante Road to the north and east, and La Sierra Avenue to the west. La Sierra Avenue, in particular, traverses the top of the west dike, offering unique perspectives.
There are no hiking trails directly on the Lake Mathews Reservoir Dam property. However, several nearby natural areas offer extensive trail systems. The Hidden Valley Wildlife Area and Sycamore Canyon Wilderness Park are excellent options, providing various trails for hikers of different skill levels, often with distant views of the reservoir.
Construction of the reservoir, originally known as Cajalco Reservoir, began in 1933 as part of the Colorado River Aqueduct project. It was completed in 1939, with water deliveries starting in 1941. The reservoir was later renamed in honor of W.B. Mathews, an attorney crucial to the formation of the Metropolitan Water District. Its creation involved acquiring land, including former carob orchards and tin mines, through eminent domain.
Yes, the area around Lake Mathews Reservoir Dam, particularly the Lake Mathews Estelle Mountain Reserve, is ecologically significant and serves as an important resting and feeding ground for various bird species. While you cannot access the reservoir directly, the reserve provides habitat for ducks, cormorants, grebes, golden eagles, and bald eagles, making it a notable spot for bird watching from accessible public areas or nearby trails.
Absolutely! While the reservoir itself is off-limits, nearby natural parks offer great options for families. Both the Hidden Valley Wildlife Area and Sycamore Canyon Wilderness Park feature trails suitable for families, providing opportunities for easy walks and nature exploration in the vicinity of Lake Mathews.
Generally, no specific permits are required for accessing public roads or the main trailheads at nearby parks like Hidden Valley Wildlife Area or Sycamore Canyon Wilderness Park. However, it's always a good idea to check the specific regulations for any particular park or reserve you plan to visit, as conditions or requirements can change.
The cooler months, typically from fall through spring (October to May), are generally the best time for outdoor activities like hiking and cycling in the Riverside County area. Temperatures are more moderate, making for more comfortable exploration. This period also often offers clearer visibility for viewing the reservoir from a distance.
Dog policies vary by location. For example, Hidden Valley Wildlife Area generally allows dogs on leash on its trails. However, for Sycamore Canyon Wilderness Park, it's best to check their specific regulations as policies can differ. Always ensure your dog is on a leash and that you clean up after them to protect the natural environment.
Lake Mathews Reservoir Dam is a crucial piece of infrastructure, serving as the western terminus of the 242-mile Colorado River Aqueduct. It acts as a primary distribution center, storing and then supplying much of the water used by cities and water districts within the Metropolitan Water District of Southern California. Its immense capacity and strategic location are vital for the region's water security.
While the immediate vicinity of the reservoir is undeveloped due to its protected status, you can find various restaurants and hotels in the nearby communities of Riverside, Corona, and Lake Elsinore. These cities offer a range of dining options and accommodations to suit different preferences and budgets, typically within a 15-30 minute drive.