National Astronomical Observatory of San Pedro Mártir

The National Astronomical Observatory is a research facility located high on a mountain in Baja California with multiple telescopes for studying the sky. The largest instruments allow astronomers to observe and measure distant objects in space.

The facility originated in Mexico City during the 1800s before moving to the mountains of Baja California. In the 1970s, modern telescopes were installed to dramatically improve observational capabilities.

Researchers from Mexico and other countries work together at this facility to study the stars and planets. This international collaboration brings scientists together to share discoveries about space and the cosmos.

The site sits at high altitude, so visitors should allow time to adjust to the elevation and bring warm clothing. Tours are available but require advance booking and typically occur during nighttime hours when observations are most effective.

The facility houses a specialized project dedicated to finding exoplanets orbiting distant stars using advanced detection methods. This project represents international collaboration focused on studying planets in systems beyond our own.

Location: Baja California

GPS coordinates: 31.04390,-115.46370

Latest update: December 7, 2025 20:41