Sierra de Vallejo

Sierra de Vallejo Biosphere Reserve
LocationNayarit, Mexico
Nearest cityPuerto Vallarta
Area549.35 km2 (212.11 sq mi)
DesignationBiosphere reserve
Established2004

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.