The Sierra de San Pedro Mártir is a mountain range located in the northern part of the Baja California Peninsula in Mexico. It is known for its stunning landscapes, diverse ecosystems, and unique flora and fauna. The range reaches an elevation of about 2,500 meters (8,200 feet) and is home to the San Pedro Mártir National Park, which protects its natural beauty and wildlife. This area is also significant for astronomy, housing the San Pedro Mártir Observatory, one of the most important observatories in Mexico. The clear skies and high altitude make it an ideal location for astronomical research. The region attracts visitors for hiking, camping, and enjoying the natural environment.