Sierra de San Juan Biosphere Reserve
| Sierra de San Juan Biosphere Reserve | |
|---|---|
The Sierra de San Juan, with Tepic in the foreground | |
| Nearest city | Tepic |
| Coordinates | 21°28′30″N 104°57′45″W / 21.47500°N 104.96250°W |
| Area | 19,801 ha (76.45 sq mi) |
| Designated | 2003 |
The Sierra de San Juan Biosphere Reserve is a protected area in Nayarit state of western Mexico. It was established in 2003, and has an area of 198.01 km2. It lies just southwest of the city of Tepic. It protects a portion of the Sierra de San Juan, a mountain range which lies between Tepic and the Pacific Ocean.