The Montesinho Natural Park (Portuguese: Parque Natural de Montesinho) is a protected area located in the municipalities of Vinhais and Bragança, northeastern Portugal. Sections of the southern slopes of the Serra da Coroa (Sierra de la Culebra) fall within the park.
Its biodiversity includes the Iberian wolf, roe deer, wild boar, Iberian lynx, common genet, red fox and European otter.
The government of Portugal maintains a registry and facilitates placement of Cão de Gado Transmontano for flock and wolf protection through its agency, Parque Natural de Montesinho.
Coordinates: 41°53′N 6°48′W / 41.88°N 6.8°W