| San Pedro Creek | |
|---|---|
 San Pedro Creek, photo of segment of the Capistrano Fish Passage stream bed restoration project | |
 | |
| Location | |
| Country | United States |
| State | California |
| Region | San Mateo County |
| Physical characteristics | |
| 2nd source | Confluence of Mid Fork and South Fork |
| • coordinates | 37°34′47″N 122°28′23″W / 37.57972°N 122.47306°W |
| • elevation | 140 ft (43 m) |
| Mouth | Pacific Ocean |
• location | Pacifica, California, San Mateo County, United States |
• coordinates | 37°35′47″N 122°30′21″W / 37.59639°N 122.50583°W[1] |
• elevation | 26 ft (7.9 m) |
| Basin features | |
| Tributaries | |
| • left | Brooks Creek |
| • right | North Fork |
San Pedro Creek (Spanish for St. Peter) is a perennial stream in the City of Pacifica, San Mateo County, California, in the San Francisco Bay Area whose tributaries originate on Sweeney Ridge in the Golden Gate National Recreation Area and Montara Mountain in the Santa Cruz Mountains.The creek mainstem flows 2.5 miles (4.0 km) through the San Pedro Valley to its mouth near Shelter Cove of the Pacific Ocean[2] The stream is notable as the 1769 campsite for Gaspar de Portolà before he ascended Sweeney Ridge and discovered San Francisco Bay.
The south fork of San Pedro Creek became a trout farm, operated by John Gay, until 1962, when storm rains washed out the entire operation. Today the south fork is a seasonal water source for the City of Pacifica. San Pedro Creek is also notable as the only major steelhead trout habitat for 25 miles (40 km) between San Francisco and Half Moon Bay, supporting fish of up to two feet in length. More recently, the Middle Valley has been used for grazing on its hillsides and commercial farming in the meadows, with crops of pumpkins and artichokes.