Sierra de San Pedro Mártir National Park

Sierra de San Pedro Mártir National Park is a national park in the Mexican state of Baja California. The Park is part of the municipality of Ensenada, Baja California. The area was first explored by Native people then Europeans in 1701 by Eusebio Francisco Kino by Dominican orders.

The park is known for its pine trees and granite rock formations. Sierra de San Pedro Mártir is a mountain range that runs north-south along the middle part of northwestern Baja California, Mexico. With its name Spanish for "mountains of Saint Peter the Martyr". Picacho del Diablo (Devil's Peak) is the highest peak in the park and in Baja California with its summit reaching 3,096 meters (10,157 feet). Sierra de San Pedro Mártir National Park is one of the few pine forests that exists on the Baja California peninsula that is important habitat for native Bighorn Sheep. In addition the park is home to the California condor through re-introduction program by several international agencies.

The National Astronomical Observatory, built in 1971 on a neighboring peak, Cerro del la Cúpula, is home to Mexico's largest optical telescope, with a diameter of 2.12 meters, and a weight of 40 tons in total. The observatory is the second most important in Latin America.