Travel to E-ELT Armazones


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Please note that public visits are currently not allowed due to safety precautions.

Media visitors please consult this page

The European Extremely Large Telescope (E-ELT) is part of the Paranal Observatory and is located on Cerro Armazones, only 20 km from Paranal. For information on weather, clothing, travel, food and accommodation please consult the Paranal Travel Page.

Health & Safety

Weather and Clothing

Please consult the Paranal Travel Page.

Special Health and Safety advisory

Visits to Cerro Armazones (3060 metres), site of the European Extremely Large Telescope (E-ELT) are allowed to media and high-level visits only under special authorization. In the case of media visits, the authorization has to be requested in advance (contact: contacto@eso.org)

A visit to Armazones at 3000 metres altitude, has some safety, security and health constraints. All Armazones visitors are required to:

  1. Have slept at least one night at around 2000m to 3000 m altitude for acclimatization before they can go up to the Armazones.
  2. People travelling to Armazones must meet the requirements given in the E-ELT Construction Safety Manual, which is the authoritative text and must be consulted for full details. In particular:
    1. External Visitors (defined as any person not in a contractual or working relationship with ESO, e.g. journalists) staying at Armazones less than 2 hours: need to sign a waiver form before every visit. Media visitors or others visiting as part of a job assignment may wish to consult with their supervisor or Human Resources department before signing.
    2. External Visitors (defined as above) staying at Armazones more than 2 hours: a certificate from an occupational physician, stating on the basis of a medical examination (generally referred to as the High Altitude Medical Examination, HAME), that the individual is fit to perform work at 3000 metres, is required and needs to be repeated every year (at least in part). Media visitors or others visiting as part of a job assignment may wish to consult with their supervisor or Human Resources department.
    3. All Contractors (defined as any person in a contractual or working relationship with ESO, including freelancers):
      either:
      1. a statement is required from their Human Resources department which asserts that the person in question is covered by their work accident insurance to work at 3000 metres, or
      2. a certificate from an occupational physician, stating on the basis of a medical examination (generally referred to as the High Altitude Medical Examination, HAME), that the individual is fit to perform work at 3000 metres, is required and needs to be repeated every year (at least in part), or
      3. in the special case of freelancers without work accident insurance, you may sign a waiver form although it is recommended that you also consult your physician.
    4. ESO Members of staff: please consult the Human Resources department for full details, but in particular a certificate from an occupational physician, stating on the basis of a medical examination (generally referred to as the High Altitude Medical Examination, HAME), that the individual is fit to perform work at 3000 metres, is required and needs to be repeated every year (at least in part).