Arroyo Mocho
| Arroyo Mocho | |
|---|---|
The Arroyo Mocho as it passes through Livermore | |
Location of the mouth of Arroyo Mocho in California | |
| Location | |
| Country | United States |
| State | California |
| Counties | Alameda County & Santa Clara County |
| Cities | Pleasanton & Livermore |
| Physical characteristics | |
| Source | Mount Mocho |
| • location | 18 mi (30 km) east of Milpitas |
| • coordinates | 37°27′13″N 121°31′22″W / 37.45361°N 121.52278°W |
| • elevation | 3,160 ft (960 m) |
| Mouth | Confluence with South San Ramon Creek to form Arroyo de la Laguna |
• location | Pleasanton, California |
• coordinates | 37°40′37″N 121°54′44″W / 37.67694°N 121.91222°W |
• elevation | 315 ft (96 m) |
Arroyo Mocho is a 34.7-mile-long (55.8 km) stream which originates in the far northeastern corner of Santa Clara County and flows northwesterly into eastern Alameda County, California. After traversing the cities of Livermore and Pleasanton it joins South San Ramon Creek to become Arroyo de la Laguna, which in turn flows to Alameda Creek and thence to San Francisco Bay.