San Tomas Aquino Creek
| San Tomas Aquinas Creek Arroyo de San Tomás Aquinas, San Tomas Aquino Creek  | |
|---|---|
San Tomas Aquino Creek in Santa Clara running alongside Levi's Stadium  | |
Location of the mouth of San Tomas Aquino Creek in Sunnyvale, California  | |
| Location | |
| Country | United States | 
| State | California | 
| Region | Santa Clara County | 
| Cities | Saratoga, Monte Sereno, Los Gatos, Campbell, Santa Clara, Alviso, San Jose, Sunnyvale | 
| Physical characteristics | |
| Source | El Sereno Summit in the Santa Cruz Mountains | 
| • location | Saratoga, California | 
| • coordinates | 37°13′09″N 122°01′36″W / 37.21917°N 122.02667°W | 
| • elevation | 2,337 ft (712 m) | 
| Mouth | Confluence with Saratoga Creek | 
 • location  | Santa Clara, California | 
 • coordinates  | 37°21′48″N 121°58′07″W / 37.36333°N 121.96861°W | 
 • elevation  | 38 ft (12 m) | 
| Basin features | |
| Tributaries | |
| • left | Wildcat Creek | 
| • right | Mistletoe Creek, Smith Creek | 
San Tomas Aquinas Creek, known locally as San Tomas Aquino Creek, is a 13.6-mile-long (21.9 km) stream that heads on El Sereno mountain in El Sereno Open Space Preserve in Saratoga in Santa Clara County, California, United States. It flows north through the cities of Saratoga, Monte Sereno, Los Gatos, Campbell, and Santa Clara, where it joins Saratoga Creek, which in turn, flows to the Guadalupe Slough and south San Francisco Bay.