ATLAS · OBSERVATORIES · ARGENTINA

Observatories in Argentina

Argentina has 41 observatories on the map. 37 watch the night sky. 4 watch something else — the Sun, the radio sky, particles, Earth’s field, or a volcano. The earliest was founded 1871. Below: how they split by what they watch, and the country’s notable sites. From Wikidata, snapshot 2026-06-23.

OBSERVATORIES41

OLDEST FOUNDED1871

NOT WATCHING STARS4

By what they watch

Astronomical37 · 90%

Particle & cosmic1 · 2%

Geo & magnetic3 · 7%

Notable observatories in Argentina

A representative mix — the specialised sciences first, then the earliest sites by founding year.

ParticlePierre Auger Observatory2000

Geo/magneticTrelew Magnetic Observatory

Geo/magneticPilar Magnetic Observatory

Geo/magneticOrcadas Magnetic Observatory

AstronomicalArgentine National Observatory1871

AstronomicalArgentine Institute of Radio Astronomy1962

AstronomicalLeoncito Astronomical Complex1983

AstronomicalArgentine Association of Amateur Astronomers

AstronomicalBosque Alegre ground station

AstronomicalSan José Observatory

AstronomicalFélix Aguilar Observatory

AstronomicalAstrodomi Observatory

INTERACTIVE MAPOpen the world observatories map →COUNTRY PROFILEArgentina — facts & figures →

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