| Deer Creek | |
| Name Other: | Purisima Creek on some maps |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | California |
| Subdivision Type3: | Region |
| Subdivision Name3: | Santa Clara County |
| Source1: | Foothills of the Santa Cruz Mountains |
| Source1 Location: | Los Altos Hills, California |
| Source1 Coordinates: | 37.3628°N -122.1497°W |
| Source1 Elevation: | 128feet |
| Mouth: | Matadero Creek |
| Mouth Location: | Palo Alto, California |
| Mouth Coordinates: | 37.4044°N -122.1522°W |
| Mouth Elevation: | 0feet |
Deer Creek is a small stream, a right tributary of Matadero Creek, originating in the foothills of the Santa Cruz Mountains in Santa Clara County, California, United States. From its source in Los Altos Hills, the creek flows in a northerly direction for 2.5milesto join Matadero Creek in Palo Alto.
Deer Creek begins at elevation 680 feet just north of Altamount Road and west of Taafe Road in Los Altos Hills, then flows northerly passing under Interstate 280 at the La Barranca Road underpass, where it turns west and parallels Purissima Road, crosses Arastradero Road and Deer Creek Road, before joining the Matadero Creek mainstem just south of Foothill Expressway and east of Page Mill Road.[1] Deer Creek has also been labelled as Purisima Creek on some maps.[2]