| Sierra de Vallejo Biosphere Reserve | |
|---|---|
 | |
| Location | Nayarit, Mexico |
| Nearest city | Puerto Vallarta |
| Area | 549.35 km2 (212.11 sq mi) |
| Designation | Biosphere reserve |
| Established | 2004 |
Sierra de Vallejo Biosphere Reserve is a protected natural area of western Mexico. It protects the Sierra de Vallejo, a Pacific coastal mountain range in southern Nayarit state. The reserve was established in 2004, and covers an area of 549.35 km2.[1]