| Pico Formation | |
|---|---|
| Stratigraphic range: Pliocene | |
| Type | Geologic formation |
| Overlies | Repetto Formation |
| Location | |
| Region | Los Angeles Basin, Santa Monica Mountains Los Angeles County, California |
| Country |  United States |
The Pico Formation is a Pliocene epoch stratigraphic unit and geologic formation in the greater Los Angeles Basin, the Santa Monica Mountains, and the Santa Susana Mountains, in Los Angeles County of Southern California.