Observatories

Observatories in South America (84)

There are 84 astronomical observatories in South America that feature telescopes used for astronomy research. Observatories may not be open to the public. Please contact them for any public viewing schedules, tours, and outreach programs.

1. Name
2. Location

1. Argentine Institute of Radio Astronomy
2. Argentina

1. Felix Aguilar Observatory
2. Argentina

1. La Plata Astronomical Observatory
2. Argentina

1. Leoncito Astronomical Complex
2. Argentina

1. OAC
2. Argentina

1. Pierre Auger Observatory
2. Argentina

1. Chacaltaya Observatory
2. Bolivia

1. Longa Vista Observatory
2. Brazil

1. Malakoff Tower
2. Brazil

1. National Observatory
2. Brazil

1. Pico dos Dias Observatory
2. Brazil

1. Valongo Observatory
2. Brazil

1. All Sky Automated Survey
2. Chile

1. Altacama Cosmology Telescope (ACT)
2. Chile

1. Atacama Large Millimeter Array
2. Chile

1. Atacama Pathfinder Experiment
2. Chile

1. Atacama Submillimeter Telescope Experiment
2. Chile

1. BEST II Telescope
2. Chile

1. BiSON
2. Chile

1. BlackGEM Array
2. Chile

1. Blanco 4m Telescope
2. Chile

1. BMT Telescope
2. Chile

1. CCAT Telescope (late 2020s)
2. Chile

1. Cerro Armazones Observatory
2. Chile

1. Cerro Tololo Inter-American Observatory
2. Chile

1. CHASE Telescope
2. Chile

1. Cherenkov Telescope Array South
2. Chile

1. CLASS Telescopes
2. Chile

1. Danish 1.54m Telescope
2. Chile

1. Deep Sky Chile
2. Chile

1. Du Pont Telescope
2. Chile

1. ESO 3.6m Telescope
2. Chile

1. ExTrA
2. Chile

1. Extremely Large Telescope (2025)
2. Chile

1. Fred Young Submillimeter Telescope (2024)
2. Chile

1. Gemini South Observatory
2. Chile

1. Giant Magellan Telescope (2029)
2. Chile

1. GONG Telescope
2. Chile

1. HAT-South
2. Chile

1. HATPI
2. Chile

1. Hexapod Telescope
2. Chile

1. Huan Tran Telescope (HTT)
2. Chile

1. IRIS Telescope
2. Chile

1. KMTNet-CTIO
2. Chile

1. La Silla Observatory
2. Chile

1. Las Campanas Observatory
2. Chile

1. Las Cumbres Observatory Global Telescope
2. Chile

1. Llano de Chajnantor Observatory
2. Chile

1. Magellan Telescopes
2. Chile

1. MASCARA-South
2. Chile

1. MEarth-South
2. Chile

1. MPG/ESO 2.2m Telescope
2. Chile

1. NANTEN2 Observatory
2. Chile

1. New Technology Telescope
2. Chile

1. Next-Generation Transit Survey
2. Chile

1. Paranal Observatory
2. Chile

1. PROMPT Telescope
2. Chile

1. Rapid Eye Mount Telescope
2. Chile

1. RoBoTT Telescope
2. Chile

1. SARA South Telescope
2. Chile

1. Simons Observatory (2022)
2. Chile

1. SMARTS Telescopes
2. Chile

1. SOAR Telescope
2. Chile

1. SPECULOOS-South
2. Chile

1. Swiss Euler Telescope
2. Chile

1. Swope Telescope
2. Chile

1. TAROT-South
2. Chile

1. Tokyo Atacama Observatory
2. Chile

1. TRAPPIST Telescope
2. Chile

1. UCN 84 Telescope
2. Chile

1. Vera Rubin Observatory (2022)
2. Chile

1. Very Large Telescope
2. Chile

1. VISTA Survey Telescope
2. Chile

1. VLT Survey Telescope
2. Chile

1. VT Auxiliary Telescopes
2. Chile

1. Warsaw Telescope
2. Chile

1. Wisconsin H-Alpha Mapper
2. Chile

1. National Astronomical Observatory
2. Columbia

1. National Observatory
2. Columbia

1. Quito Astronomical Observatory
2. Ecuador

1. Jicamarca Radio Observatory
2. Peru

1. Montevideo National Observatory
2. Uruguay

1. Cagigal Observatory
2. Venezuela

1. Llano del Hato National Astronomical Observatory
2. Venezuela