Mount Wilson Observatory

SR 2 & Red Box Rd.
Pasadena, CA 91117- Map It
Phone: (626) 440-9016

AAA Editor Notes

Mount Wilson Observatory is 14 mi. n.e. on SR 2 (Angeles Crest Hwy.), then 5 mi. s.e. on Red Box Rd. to the observatory gate. The historic observatory, located in the San Gabriel Mountains at an altitude of 5,715 feet, played a starring role in the development of astronomy beginning in 1904. It is the home of the 100-inch Hooker telescope, which along with several others can be viewed during guided tours. A museum houses displays of spectacular photos of the sun, planets, comets, nebulas and distant galaxies. A self-guiding tour brochure is available, but only the museum is accessible without a tour guide. Food is available on a limited basis. Guided tours are available. Picnicking is permitted. Food is available.
Free. Guided tours $15; $12 (ages 6-16 and 62+). Children under 6 are not permitted on tours. National Forest Adventure Pass (required for entry into Angeles National Forest) $5.
Hours: Daily 10-4, Apr.-Nov. (weather permitting). Guided 2-hour walking tours are given Sat.-Sun. at 1, Apr.-Nov. Guided 1-hour walking tours depart Sat.-Sun. at 2, June-Aug. Closed during periods of elevated fire danger. Phone ahead to confirm schedule. Allow 2 hours minimum.