THE NERD PAYOFF
Why This Pin Earned Its Place
Historic instruments here drove foundational discoveries about galaxies, stellar dimensions, and the expansion of the universe.
01
100-inch Hooker telescope
03
Solar towers and CHARA exhibit
LOOK CLOSER
The Gloriously Specific Details
What to notice
• 100-inch Hooker telescope
• 60-inch telescope
• Solar towers and CHARA exhibit
INTERPRETATION · NERD RELEVANCE
Historic instruments here drove foundational discoveries about galaxies, stellar dimensions, and the expansion of the universe.
PLAN THE VISIT
Useful Before You Leave the House
Address
Red Box–Mount Wilson Rd, Mount Wilson, CA 91023
Hours
Daily: 10 a.m.–5 p.m. Weather, road conditions, and seasonal gate hours can change access.
Price
Grounds and museum are free; tours and observing programs are ticketed.
Transit
No practical public transit reaches the campus.
Parking
A car and U.S. Forest Service parking pass are normally required.
Photography
Visitor-photo policy is not explicit; ask before photographing working research areas.
Age note
Children under 6 are not admitted on docent tours.
Open the official visitor page ↗