About this place
- Overview
- Major Southern Hemisphere research observatory in the Chilean Andes
- Horizon
- Mountain summit with panoramic views; Atacama Desert below
- Region
- CL
- Nearest city
- ~80 km of light pollution
Certified dark-sky park
Cerro Tololo Inter-American Observatory
CL · Pristine sky skies
Designation & sky
- Type
- Dark-Sky Park
- Designation
- Observatory
- Sky quality
- Bortle 1 · Pristine sky
Official links
Verify hours, access, and current conditions before you go.
Dark-sky stays near here
Book a night under these skies — the closest astronomy-forward stays in the Stella catalog.
- 11 km · AstrofarmHacienda Los AndesView stay →
- 24 km · Observatory StayCasa Bonita Lodge / Mamalluca-region InnsView stay →
- 29 km · Observatory StayCasona DistanteView stay →
- 30 km · Observatory StayElqui DomosView stay →
On the map
More dark-sky places
Keep exploring protected skies like this one.
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