Wilderness Landscape & Natural Heritage
Located near Hemet in Riverside County, California, Diamond Valley Lake Wildlife Area encompasses the lands surrounding Diamond Valley Lake, one of Southern California's key water reservoirs. The area covers a range of terrains including rolling hills, riparian zones, and sagebrush scrub, which support abundant native plant and animal species. The lake itself was created in the late 1990s to provide water storage and reliability for the region. The wildlife area has since become an important refuge for local and migratory species, including mule deer, bobcats, a variety of raptors, and waterfowl, making it a popular destination for bird watchers and photographers. Visitors also enjoy fishing for bass, catfish, and trout in the lake’s well-stocked waters. Hiking trails skirt the reservoir with scenic views of the water and surrounding hills. Unlike many large wilderness areas, this wildlife area offers a blend of accessible outdoor recreation with educational programs related to wildlife conservation and water resource management. Interpretive signs and vantage points are scattered throughout, enhancing visitor understanding of the sensitive ecosystems present. Anglers, hikers, and nature enthusiasts appreciate the peaceful setting within reach of the Inland Empire’s urban centers. The area's combination of reservoirside recreation and natural habitat protection provides a unique outdoor experience in Southern California’s semi-desert climate.