The University of California Natural Reserve System (UCNRS) is a system of protected areas throughout California.
|Reserve||Campus||Area (ha)||Area (Acre)||Coordinates||Web||Notes|
|Angelo Coast Range Reserve||Berkeley||3,166||7,915||||On the South Fork of the Eel River.|
Protected by The Nature Conservancy (TNC).
|Año Nuevo Island Reserve||Santa Cruz||10||25||||On Año Nuevo Island.|
UC manages site within the larger Año Nuevo State Reserve, owned and operated by California State Parks.
|Blue Oak Ranch Reserve||Berkeley||1,319||3,260||||In the Diablo Range, northwest of Mount Hamilton.|
|Bodega Marine Reserve||Davis||176||436||||On Bodega Bay.|
|Box Springs Reserve||Riverside||65||160||||Adjacent to the Riverside campus.|
|Philip L. Boyd Deep Canyon Desert Research Center||Riverside||6,749||16,873||||In the Santa Rosa Mountains, near Palm Desert.|
|Burns Piñon Ridge Reserve||Irvine||124||306||||In the Mojave Desert, near Joshua Tree National Park.|
|Carpinteria Salt Marsh Reserve||Santa Barbara||93||230||||In Carpinteria.|
|Chickering American River Reserve||Berkeley||695||1,720||||In the headwaters basin of the North Fork of the American River, Sierra Nevada.|
|Coal Oil Point Natural Reserve||Santa Barbara||68||170||||Adjacent to the Santa Barbara campus. Coal Oil Point seep field is offshore.|
|Dawson Los Monos Canyon Reserve||San Diego||93||230||||In the northwestern Laguna Mountains.|
|Elliott Chaparral Reserve||San Diego||43||107||||At former Camp Kearny, on the Kearny Mesa.|
|Emerson Oaks Reserve||Riverside||102||255||||In the Temecula Valley, southern Riverside County.|
Protected by TNC.
|Fort Ord Natural Reserve||Santa Cruz||242||606||||At the former Fort Ord, near Monterey Bay.|
|Hastings Natural History Reservation||Berkeley||932||2,392||||In the Santa Lucia Mountains, upper Carmel Valley.|
|James San Jacinto Mountains Reserve||Riverside||12||29||||In the San Jacinto Mountains.|
Satellite site Oasis de los Osos (west end of the Coachella Valley) protected by TNC.
|Jenny Pygmy Forest Reserve||Berkeley||28||70||||Above the coast in Mendocino County.|
Protected by TNC.
|Jepson Prairie Reserve||Davis||634||1,566||||In the Central Valley.|
Protected by TNC and the Solano Land Trust.
|Kendall-Frost Mission Bay Marsh Reserve||San Diego||7||16||||On Mission Bay.|
|Kenneth S. Norris Rancho Marino Reserve||Santa Barbara||200||500||||In the Santa Lucia Mountains, near Cambria.|
|Landels-Hill Big Creek Reserve||Santa Cruz||1,584||3,911||||In the Santa Lucia Mountains, along the Big Sur coast.|
TNC involved in the protection of this site.
|McLaughlin Natural Reserve||Davis||2,800||7,050||||Within the Blue Ridge Berryessa Natural Area.|
|Merced Vernal Pools and Grassland Reserve||Merced||2601||6,428||||Next to the UC Merced campus|
|Motte Rimrock Reserve||Riverside||289||715||||In western Perris Valley, Peninsular Ranges.|
|Quail Ridge Reserve||Davis||784||1,937||||Near the Blue Ridge Berryessa Natural Area. QuRiNet deployed here.|
|Sagehen Creek Field Station||Berkeley||183||452||||In the Northern Sierra Nevada, north of Lake Tahoe.|
Operated by the University of California under a long-term special-use permit from the U.S. Forest Service.
|San Joaquin Marsh Reserve||Irvine||82||202||||Upper Newport Bay.|
|Santa Cruz Island Reserve||Santa Barbara||18,624||46,020||||Santa Cruz Island.|
Protected, owned, and managed by TNC.
|Scripps Coastal Reserve||San Diego||342||844||||Adjacent to the UC San Diego Scripps Institution of Oceanography.|
|Sedgwick Reserve||Santa Barbara||2,358||5,896||||In the Santa Ynez Valley and the foothills of the San Rafael Mountains.|
|Sierra Nevada Research Station—Yosemite Field Station||Merced||||Yosemite National Park, Sierra Nevada.|
|Stebbins Cold Canyon Reserve||Davis||233||583||||Within the Blue Ridge Berryessa Natural Area.|
|Steele Burnand Anza-Borrego Desert Research Center||Irvine||248,882||615,000||||An agreement with Anza-Borrego Desert State Park and the Anza-Borrego Foundation makes the park, which is managed by California State Parks, available to field station users.|
|Stunt Ranch Santa Monica Mountains Reserve||Los Angeles||126||310||||In Los Angeles County, within the Santa Monica Mountains National Recreation Area.|
|Sweeney Granite Mountains Desert Research Center||Riverside||3,600||9,000||||In the Granite Mountains, within the Mojave National Preserve.|
|Valentine Eastern Sierra Reserve||Santa Barbara||87||205||||In the high Sierra Nevada and the upper Owens Valley.|
Includes Valentine Camp and the Sierra Nevada Aquatic Research Laboratory (SNARL).
|White Mountain Research Center||Los Angeles||18||45||||Five research facilities ranging from the Owens Valley to the highest point of the White-Inyo Mountains east of the town of Bishop.|
|Younger Lagoon Reserve||Santa Cruz||10||26||||The northwest edge of Monterey Bay on the west side of the city of Santa Cruz.|