Alfonso Serrano standing on top of Sierra Negra mountain

National Institute Of Astrophysics, Optics And Electronics

National Institute of Astrophysics, Optics and Electronics (INAOE) Puebla City: Visiting Hours, Tickets, and Complete Guide

Date: 04/07/2025

Introduction

Located in the heart of Puebla’s historic and cultural landscape, the National Institute of Astrophysics, Optics and Electronics (INAOE) is renowned for its pioneering scientific research and public engagement. Established in 1942 and situated in San Andrés Cholula and Tonantzintla, INAOE is a premier destination for those interested in astronomy, optics, and electronics, blending state-of-the-art technology with Mexico’s scientific heritage.

Visitors to INAOE can expect guided tours, educational workshops, public lectures, and astronomy nights, all set amid breathtaking views of the Puebla valley and the Popocatépetl volcano. The institute’s facilities are designed to be accessible to all, making it an ideal choice for families, students, and science enthusiasts alike.

To plan your visit, consult the INAOE Official Website for updated schedules, booking options, and event details. For broader travel inspiration, consult the Puebla Tourism Official Site.

Plasma in a PECVD installation at INAOE Mexico

Overview: Why Visit INAOE?
Visiting Hours & Admission
Directions & Transportation
Accessibility
Top Experiences at INAOE
Nearby Attractions & Travel Tips
Frequently Asked Questions (FAQ)
Plan Your Visit

Overview: Why Visit INAOE?

INAOE stands as one of Mexico’s leading scientific centers, boasting a rich legacy of discovery, including the identification of Herbig-Haro objects and the historic Comet Haro-Chavira. The institute is home to the acclaimed Large Millimeter Telescope (LMT), the world’s largest single-dish millimeter-wavelength telescope, and the historic National Astrophysical Observatory of Tonantzintla.

Far beyond a research facility, INAOE welcomes guests to explore the wonders of the universe, learn about Mexico’s contributions to global science, and engage with interactive STEM exhibitions. The campus is surrounded by stunning landscapes, offering unique opportunities for both education and recreation.

Visiting Hours & Admission

Standard Visiting Hours:

Monday to Friday: 9:00 AM – 5:00 PM

Special Events: Select Saturdays (10:00 AM – 2:00 PM) for workshops and astronomy nights. Check the official schedule for event dates.

Admission:

General entry and exhibitions: Free (advance registration recommended)
Guided tours and telescope visits: May require advance booking and a nominal fee

Note: Some research areas are restricted and accessible only via guided tours.

Directions & Transportation

Address:
Carretera a San Andrés Cholula, Parque Científico y Tecnológico, Puebla, Mexico

How to Get There:

By Car: Approximately 20–30 minutes from downtown Puebla via the Puebla–Atlixco highway (Mexican Federal Highway 190). On-site parking is available.
By Public Transport: Local buses and taxis from Puebla city center serve San Andrés Cholula and Tonantzintla. Confirm current bus schedules before your visit.

Accessibility

INAOE is committed to accessibility:

Main buildings and exhibitions are wheelchair accessible, with ramps and elevators.
Accessible restrooms are available.
Visitors needing assistance should contact [email protected] in advance to arrange accommodations.

Top Experiences at INAOE

Observatory & Telescope Tours

Historic National Astrophysical Observatory of Tonantzintla: Discover the Schmidt telescope and historic astro-photographic plates.
Large Millimeter Telescope (LMT): Tours are available by special arrangement, offering insight into cutting-edge astronomical research.

Science Exhibits & Workshops

Interactive displays on astrophysics, optics, and electronics.
Regular workshops and science fairs for students and families.

Special Events

Public lectures, astronomy nights, and science festivals throughout the year.
Check the events calendar for upcoming dates.

Photography Highlights

Panoramic views of the Puebla valley, Popocatépetl volcano, and observatory grounds.
Designated photo-friendly areas for astrophotography and landscape shots.

Nearby Attractions & Travel Tips

Close to INAOE:

Great Pyramid of Cholula: The world’s largest pyramid by volume.
Historic Downtown Puebla: A UNESCO World Heritage site known for colonial architecture and culinary delights.
Africam Safari: A family-friendly wildlife park.
Local markets and baroque churches in Tonantzintla and Cholula.

Travel Tips:

Wear comfortable shoes and sun protection.
Bring a camera and, for night events, warm clothing.
Confirm event times and transportation schedules before your visit.

Frequently Asked Questions (FAQ)

Q: What are INAOE’s standard visiting hours?
A: Monday to Friday, 9:00 AM to 5:00 PM. Select Saturdays for special events—check the schedule.

Q: Is admission free?
A: General entry is free; some guided tours may have a small fee and require booking.

Q: Is INAOE accessible for visitors with disabilities?
A: Yes, most facilities are accessible; contact visitor services for specific needs.

Q: Are guided tours required to visit?
A: Some areas are accessible only via guided tours, which should be booked in advance.

Q: Are children welcome?
A: Absolutely—INAOE offers programs suitable for all ages.

Q: Can I visit the observatory at night?
A: Astronomy nights are held periodically; check the events calendar for details.

Q: Are there food facilities on site?
A: There is a small café; bringing snacks is recommended for longer visits.

Plan Your Visit

To ensure a smooth and memorable experience:

Register for guided tours and special events in advance via the INAOE Official Website.
Stay updated on event schedules and visitor guidelines.
Explore nearby cultural sites to enrich your trip.
Download the Audiala app for personalized travel recommendations and event notifications.