| Costilla Creek[1] Río Costilla, Costilla River, Costilla Creek Number One, Río de Costilla | |
|---|---|
 Costilla Creek, pictured from the Rio Costilla Campground in 2024. | |
  Location of the creek's mouth in Taos County, New Mexico | |
| Location | |
| Country | United States |
| States | Colorado, New Mexico |
| Counties | Costilla County, Colorado, Taos County, New Mexico |
| Physical characteristics | |
| Source | Confluence of West Fork Costilla Creek and East Fork Costilla Creek |
| • location | Costilla County, Colorado |
| • coordinates | 36°59′45″N 105°15′04″W / 36.99583°N 105.25111°W |
| Mouth | Rio Grande |
• location | Taos County, New Mexico |
• coordinates | 36°58′51″N 105°43′03″W / 36.98083°N 105.71750°W |
• elevation | 7,369 feet (2,246 meters) |
| Discharge | |
| • location | Rio Grande |
Costilla Creek is a tributary of the Rio Grande in Colorado and New Mexico.