The University of California, Davis Arboretum (UC Davis Arboretum) is an approximately 100-acre (0.40 km2) arboretum along the banks of the old north channel of Putah Creek on the south side of the University of California, Davis campus in unincorporated Yolo County, California, in the United States.

[1] The Arboretum contains 3.5 miles (5.6 km) paved path loop for pedestrians, joggers, and cyclists.

[2] The collection includes some "22,000 trees and plants adapted to a Mediterranean climate.

"[1] The collection may be searched through the Arbortetum's online database,[3] which includes detailed information about the plants and geographic information system data linked to plant records.

[4] The Arboretum is an important source of information on horticulture in California's Central Valley.