Visit NRAO

The National Radio Astronomy Observatory has sites and telescopes around the United States and Chile.



Socorro, New Mexico is the home of our Very Large Array (VLA), where visitors are welcome and encouraged! The VLA includes a visitor center with a theater, science exhibits, a gift shop, and an outdoor self-guided walking tour that takes you right to the base of one of the telescopes!

Learn about Visiting the VLA!


The ALMA telescope is located in northern Chile. The telescopes themselves are not open to the public, due to safety reasons at the location at 5000 meters above sea level. Visits to the Operations Support Facility are permitted on weekends and must be registered in advance.

Learn about Visiting ALMA!

The National Radio Astronomy Observatory is committed to providing a safe and welcoming environment for our employees, visitors, and guests, and has adopted a Code of Conduct that includes prohibitions against discrimination and harassment of any kind, including sexual harassment.

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