The public areas of the Observatory consist of the A.W. Greenway Jr. Visitor Center and the Visitors Gallery inside the 200-inch Hale Telescope dome. The Visitor Center also features the Palomar Observatory Gift Shop, which is open on weekends and most weekdays.
Public, guided tours of theHale Telescope are available to visitors on the weekends (Saturday and Sunday) spring through fall—typically from the first weekend in April to the last weekend October. In 2020, the guided tours will be offered on weekends starting Saturday April 4 until Sunday November 1.
Open daily, 9 a.m. – 3 p.m. Particularly in the winter months, the Observatory is occasionally closed to the public due to severe weather and/or dangerous conditions. Visitors are encouraged to check the website or call the information number before departing to Palomar.