Skip to main content

ESO Observatories

ESO Chile · Contact form

How can we help you?

Use the general enquiry form or request a visit for your group. We respond within 2 to 3 business days.

Response time

The ESO team reviews messages Monday to Friday and responds within 2 to 3 business days.

reservas@observatorioseso.cl

Group visits

For groups of 11 or more people (schools, universities, companies), select the Group booking tab in the form. Maximum capacity: 40 spots at La Silla and 60 spots at Paranal. Visits on Saturdays in winter; in summer the schedule is set by the ESO team. Download the participant template and attach it when replying to our email.

Download template

For individual bookings of up to 10 people, use the booking system directly. It is faster and you get instant confirmation.

Website

Full name *

Email *

Phone

Message *

Fields marked with are required.

ESO Observatories Chile

Contact form

Home My booking Privacy Terms© 2026 ESO Chile