About this place
- Overview
- Home of the historic 200-inch Hale Telescope; museum and tours available
- Horizon
- Mountain summit with good views; San Diego light dome to southwest
- Region
- CA, US
- Nearest city
- ~60 km of light pollution
Designation & sky
- Type
- Dark-Sky Park
- Designation
- Observatory
- Sky quality
- Bortle 3 · Rural 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.
- 31 km · Observatory StayCal-a-Vie Health SpaView stay →
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On the map
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