|  Reserve | 
 Campus | 
 Area (ha) | 
 Area (Acre) | 
 Coordinates | 
 Web | 
 Notes | 
|  Angelo Coast Range Reserve  |  Berkeley  |  3,166  |  7,915  |  39°43′45″N 123°38′40″W / 39.72917°N 123.64444°W / 39.72917; -123.64444 (Angelo Coast Range Reserve)  |  [3]  |  On the South Fork of the Eel River. Protected by The Nature Conservancy (TNC). | 
|  Año Nuevo Island Reserve  |  Santa Cruz  |  10  |  25  |  37°6′30″N 122°20′10″W / 37.10833°N 122.33611°W / 37.10833; -122.33611 (Año Nuevo Island Reserve)  |  [4]  |  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  |  37°22′53″N 121°44′14″W / 37.38139°N 121.73722°W / 37.38139; -121.73722 (Blue Oak Ranch Reserve)  |  [5]  |  In the Diablo Range, northwest of Mount Hamilton.  | 
|  Bodega Marine Reserve  |  Davis  |  176  |  436  |  38°18′25″N 123°3′54″W / 38.30694°N 123.06500°W / 38.30694; -123.06500 (Bodega Marine Reserve)  |  [6]  |  On Bodega Bay. | 
|  Box Springs Reserve  |  Riverside  |  65  |  160  |  33°59′31″N 117°17′43″W / 33.99194°N 117.29528°W / 33.99194; -117.29528 (Box Springs Reserve)  |  [7]  |  Adjacent to the Riverside campus. | 
|  Philip L. Boyd Deep Canyon Desert Research Center  |  Riverside  |  6,749  |  16,873  |  33°35′N 116°20′W / 33.583°N 116.333°W / 33.583; -116.333 (Boyd Deep Canyon Desert Research Center)  |  [8]  | In the Santa Rosa Mountains, near Palm Desert. | 
|  Burns Piñon Ridge Reserve  |  Irvine  |  124  |  306  |  34°8′20″N 116°27′10″W / 34.13889°N 116.45278°W / 34.13889; -116.45278 (Burns Piñon Ridge Reserve)  |  [9]  |  In the Mojave Desert, near Joshua Tree National Park. | 
|  Carpinteria Salt Marsh Reserve  |  Santa Barbara  |  93  |  230  |  34°24′N 119°31′W / 34.400°N 119.517°W / 34.400; -119.517 (Carpinteria Salt Marsh Reserve)  |  [10]  |  In Carpinteria. | 
|  Chickering American River Reserve  |  Berkeley  |  695  |  1,720  |  39°14′48″N 120°19′31″W / 39.24667°N 120.32528°W / 39.24667; -120.32528 (Chickering American River Reserve)  |  [11]  |  In the headwaters basin of the North Fork of the American River, Sierra Nevada. | 
|  Coal Oil Point Natural Reserve  |  Santa Barbara  |  68  |  170  |  34°25′N 119°52′W / 34.417°N 119.867°W / 34.417; -119.867 (Coal Oil Point Natural Reserve)  |  [12]   |  Adjacent to the Santa Barbara campus. | 
|  Dawson Los Monos Canyon Reserve  |  San Diego  |  93  |  230  |  33°8′30″N 117°15′20″W / 33.14167°N 117.25556°W / 33.14167; -117.25556 (Dawson Los Monos Canyon Reserve)  |  [13]  | In the northwestern Laguna Mountains. | 
|  Elliott Chaparral Reserve  |  San Diego  |  43  |  107  |  32°52′6″N 117°8′33″W / 32.86833°N 117.14250°W / 32.86833; -117.14250 (Elliott Chaparral Reserve)  |  [14]  |  At former Camp Kearny, on the Kearny Mesa. | 
|  Emerson Oaks Reserve  |  Riverside  |  102  |  255  |  33°28′N 117°2′W / 33.467°N 117.033°W / 33.467; -117.033 (Emerson Oaks Reserve)  |  [15]  |  In the Temecula Valley, southern Riverside County. Protected by TNC. | 
|  Fort Ord Natural Reserve  |  Santa Cruz  |  242  |  606  |  36°40′N 121°46′W / 36.667°N 121.767°W / 36.667; -121.767 (Fort Ord Natural Reserve)  |  [16]  |  At the former Fort Ord, near Monterey Bay. | 
|  Hastings Natural History Reservation  |  Berkeley  |  932  |  2,392  |  36°12′30″N 121°33′30″W / 36.20833°N 121.55833°W / 36.20833; -121.55833 (Hastings Natural History Reservation)  |  [17]  |  In the Santa Lucia Mountains, upper Carmel Valley. | 
|  James San Jacinto Mountains Reserve  |  Riverside  |  12  |  29  |  33°48′30″N 116°46′40″W / 33.80833°N 116.77778°W / 33.80833; -116.77778 (James San Jacinto Mountains Reserve)  |  [18]  |  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  |  39°17′N 123°45′W / 39.283°N 123.750°W / 39.283; -123.750 (Jenny Pygmy Forest Reserve)  |  [19]  |  Above the coast in Mendocino County. Protected by TNC. | 
|  Jepson Prairie Reserve  |  Davis  |  634  |  1,566  |  38°16′N 121°49′W / 38.267°N 121.817°W / 38.267; -121.817 (Jepson Prairie Reserve)  |  [20]  |  In the Central Valley. Protected by TNC and the Solano Land Trust. | 
|  Kendall-Frost Mission Bay Marsh Reserve  |  San Diego  |  7  |  16  |  32°47′N 117°13′W / 32.783°N 117.217°W / 32.783; -117.217 (Kendall-Frost Mission Bay Marsh Reserve)  |  [21]  |  On Mission Bay. | 
|  Kenneth S. Norris Rancho Marino Reserve  |  Santa Barbara  |  200  |  500  |  35°31′41″N 121°4′35″W / 35.52806°N 121.07639°W / 35.52806; -121.07639 (Kenneth S. Norris Rancho Marino Reserve)  |  [22]  |  In the Santa Lucia Mountains, near Cambria. | 
|  Landels-Hill Big Creek Reserve  |  Santa Cruz  |  1,584  |  3,911  |  36°4′N 121°35′W / 36.067°N 121.583°W / 36.067; -121.583 (Landels-Hill Big Creek Reserve)  |  [23]  |  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  |  38°52′N 122°24′W / 38.867°N 122.400°W / 38.867; -122.400 (McLaughlin Natural Reserve)  |  [24]  |  Within the Blue Ridge Berryessa Natural Area. | 
|  Motte Rimrock Reserve  |  Riverside  |  289  |  715  |  33°48′45″N 117°15′30″W / 33.81250°N 117.25833°W / 33.81250; -117.25833 (Motte Rimrock Reserve)  |  [25]  |  In western Perris Valley, Peninsular Ranges. | 
|  Quail Ridge Reserve  |  Davis  |  784  |  1,937  |  38°28′59″N 122°8′58″W / 38.48306°N 122.14944°W / 38.48306; -122.14944 (Quail Ridge Reserve)  |  [26]  |  Near the Blue Ridge Berryessa Natural Area. QuRiNet deployed here. | 
|  Sagehen Creek Field Station  |  Berkeley  |  183  |  452  |  39°25′57″N 120°14′13″W / 39.43250°N 120.23694°W / 39.43250; -120.23694 (Sagehen Creek Field Station)  |  [27]  |  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  |  33°39′30″N 117°51′30″W / 33.65833°N 117.85833°W / 33.65833; -117.85833 (San Joaquin Freshwater Marsh Reserve)  |  [28]  |  Upper Newport Bay. | 
|  Santa Cruz Island Reserve  |  Santa Barbara  |  18,624  |  46,020  |  34°0′N 119°44′W / 34.000°N 119.733°W / 34.000; -119.733 (Santa Cruz Island Reserve)  |  [29]  |  Santa Cruz Island. Protected, owned, and managed by TNC. | 
|  Scripps Coastal Reserve  |  San Diego  |  342  |  844  |  32°52′30″N 117°15′15″W / 32.87500°N 117.25417°W / 32.87500; -117.25417 (Scripps Coastal Reserve)  |  [30]  |  Adjacent to the UC San Diego Scripps Institution of Oceanography. | 
|  Sedgwick Reserve  |  Santa Barbara  |  2,358  |  5,896  |  34°42′N 120°1′W / 34.700°N 120.017°W / 34.700; -120.017 (Sedgwick Reserve)  |  [31]  |  In the Santa Ynez Valley and the foothills of the San Rafael Mountains. | 
|  Sierra Nevada Research Station—Yosemite Field Station  |  Merced  |    |    |  37°32′23″N 119°39′29″W / 37.53972°N 119.65806°W / 37.53972; -119.65806 (Sierra Nevada Research Institute--Yosemite Field Station)  |  [32]  |  Yosemite National Park, Sierra Nevada. | 
|  Stebbins Cold Canyon Reserve  |  Davis  |  233  |  583  |  38°30′32″N 122°5′50″W / 38.50889°N 122.09722°W / 38.50889; -122.09722 (Stebbins Cold Canyon Reserve)  |  [33]  |  Within the Blue Ridge Berryessa Natural Area. | 
|  Steele Burnand Anza-Borrego Desert Research Center  |  Irvine  |  248,882  |  615,000  | 33°14′N 116°23′W / 33.233°N 116.383°W / 33.233; -116.383 (Steele Burnand Anza-Borrego Desert Research Center)  |  [34]  |  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  |  34°6′N 118°39′W / 34.100°N 118.650°W / 34.100; -118.650 (Stunt Ranch Santa Monica Mountains Reserve)  |  [35]  |  In Los Angeles County, within the Santa Monica Mountains National Recreation Area. | 
|  Sweeney Granite Mountains Desert Research Center  |  Riverside  |  3,600  |  9,000  |  34°48′20″N 115°39′50″W / 34.80556°N 115.66389°W / 34.80556; -115.66389 (Sweeney Granite Mountains Desert Research Center)  |  [36]  |  In the Granite Mountains, within the Mojave National Preserve. | 
|  Valentine Eastern Sierra Reserve  |  Santa Barbara  |  87  |  205  |  37°37′30″N 118°59′30″W / 37.62500°N 118.99167°W / 37.62500; -118.99167 (Valentine Eastern Sierra Reserve)  |  [37]  |  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  |  37°21′41″N 118°19′36″W / 37.36139°N 118.32667°W / 37.36139; -118.32667 (White Mountain Research Center)  |  [38]  |  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  |  36°57′3″N 122°3′57″W / 36.95083°N 122.06583°W / 36.95083; -122.06583 (Younger Lagoon Reserve)  |  [39]  |  The northwest edge of Monterey Bay on the west side of the city of Santa Cruz. |