| San Pedro Valley | |
|---|---|
 Prairie in the San Pedro Valley near Tombstone, Arizona. The Dragoon Mountains are in the background. | |
  San Pedro Valley | |
| Length | 50 mi (80 km) |
| Geography | |
| Country | United States, Mexico |
| State | Arizona, Sonora |
| Communities | |
| Borders on | |
| Coordinates | 31°38′9″N 110°10′21″W / 31.63583°N 110.17250°W |
| River | San Pedro River |
The San Pedro Valley starts 10 miles (16 km) south of the United States–Mexico border and extends 140 miles (230 km) north through Arizona. The San Pedro River flows from the state of Sonora, Mexico, through Cochise County, Pima County, Graham County, and Pinal County to Winkelman, Arizona.[1][2][3]
- ^ San Pedro Valley blm.gov
- ^ "Depth to Bedrock in the Upper San Pedro Valley, Cochise County, southeastern Arizona". pubs.usgs.gov.
- ^ "San Pedro River". The Nature Conservancy.