# Observatorio Pierre Auger

Observatorio Pierre Auger: places to visit in Malargüe, Mendoza. Address: Av. San Martín 304, Malargüe, Mendoza. Hours: monday to friday from 9 to 12:30 and from 15 to 18:30; saturday and sunday from 10 to 12:30 and from 16 to 18:30. Updated on November 10, 2026.

> Visitor center of the world's largest cosmic ray observatory, in Malargüe: free interactive exhibit with models, videos and real-time detectors.

- **Category:** Places to visit
- **Area:** Malargüe, Mendoza
- **Address:** Av. San Martín 304, Malargüe, Mendoza
- **Map:** https://www.google.com/maps/search/?api=1&query=-35.4633159,-69.5848159
- **Email:** info@auger.org.ar
- **Website:** https://www.auger.org.ar/
- **Amenities:** Guided tour, Tours in English
- **Listing updated:** 11/10/2026

## Opening hours

- Monday: 09:00 to 12:30 and 15:00 to 18:30
- Tuesday: 09:00 to 12:30 and 15:00 to 18:30
- Wednesday: 09:00 to 12:30 and 15:00 to 18:30
- Thursday: 09:00 to 12:30 and 15:00 to 18:30
- Friday: 09:00 to 12:30 and 15:00 to 18:30
- Saturday: 10:00 to 12:30 and 16:00 to 18:30
- Sunday: 10:00 to 12:30 and 16:00 to 18:30

## About Observatorio Pierre Auger

The Pierre Auger Observatory is a scientific and visitor center in Malargüe, Mendoza, dedicated to the study of very high energy cosmic rays. It presents itself as the largest cosmic ray observatory in the world, and its visitor center is located in the town, on San Martín avenue.

## What you can see
The visitor room has a permanent interactive exhibit with models, videos, real-time detectors and posters that explain the purpose and work of the experiment. When you enter you register and receive a guide to help you tour the room. It is designed for the general public, so it suits both curious visitors and schools.

## How to get there and practical information
The visitor center is at Av. San Martín 304, in the downtown area of Malargüe. Entry is free. According to its visits website, it opens Monday to Friday, morning and afternoon, and on Saturdays, Sundays and holidays with shorter hours; it is best to confirm before going, because another page of the observatory itself mentions visits by appointment.

Schools and large groups must request an appointment by email at info@auger.org.ar or by phone. Information for visits is available in Spanish and English.

## Frequently asked questions

### What time does Observatorio Pierre Auger open?

From Monday to Friday, from 09:00 to 12:30 and from 15:00 to 18:30; on Saturdays and Sundays, from 10:00 to 12:30 and from 16:00 to 18:30.

### Is Observatorio Pierre Auger open on Sundays?

Yes, on Sundays it's open from 10:00 to 12:30 and from 16:00 to 18:30.

### Is Observatorio Pierre Auger open on Saturdays?

Yes, on Saturdays it's open from 10:00 to 12:30 and from 16:00 to 18:30.

### Where is Observatorio Pierre Auger?

At Av. San Martín 304, Malargüe, Mendoza.

### How can I contact Observatorio Pierre Auger?

By email at info@auger.org.ar and on its website, https://www.auger.org.ar/.

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Listing on EN MENDOZA, the business guide to Mendoza: https://enmendoza.com/en/negocio/observatorio-pierre-auger
Ref. EM-A6C25582 · You may quote this listing with a link to the source; bulk copying is not allowed: https://enmendoza.com/en/terminos#extraccion
More Places to visit: https://enmendoza.com/en/turismo/lugares-para-visitar
More places to visit in Malargüe: https://enmendoza.com/en/turismo/lugares-para-visitar/en/malargue
Tourism in Malargüe: places open on Sundays: https://enmendoza.com/en/turismo/en/malargue/abiertos-los-domingos