GOOD TIMES. ZERO DOLLARS.☀ALL OF BAY AREA. AND A LITTLE BEYOND.☀ENDLESS POSSIBILITIES.☀GOOD TIMES. ZERO DOLLARS.☀ALL OF BAY AREA. AND A LITTLE BEYOND.☀ENDLESS POSSIBILITIES.☀GOOD TIMES. ZERO DOLLARS.☀ALL OF BAY AREA. AND A LITTLE BEYOND.☀ENDLESS POSSIBILITIES.☀GOOD TIMES. ZERO DOLLARS.☀ALL OF BAY AREA. AND A LITTLE BEYOND.☀ENDLESS POSSIBILITIES.☀
Free admission and free half-hourly tours of the 36-inch Great Refractor dome; Shane 120-inch reflector visitors' gallery. Note: separate reporting in Oct 2026 said the main building was closed for storm repairs with grounds/Shane Gallery open — check the official page before visiting.
IS IT REALLY FREE?
Free. Admission is free per the official page. Confirm before you go.
📍 Mount Hamilton
🕑 hourly tours of the 36-inch Great Refractor dome; Shane 120-inch reflector visitors' gallery. Note: separate reporting in Oct 2026 said the main building was cl
We opened the official page on 2026-11-07, confirmed the name matched, and kept the listing only when the page was live. Hours and prices change — always confirm on the official source before you go. How we verify