was originally designed and built, and continues to be owned and operated by amateur
astronomers. This observatory has served its members, science
investigators, students and the public (through planned outreach
programs) since its completion in 1963.
observatory is perched on a ridge above the 2000-foot deep
Devil's Canyon, about 6 miles (9.7 km) north
by north-east of the historic Mt. Wilson Observatory. Stony
Ridge is located very near a site that had been considered for the location of
Ellery Hale's "new" 200-inch
(5-m) telescope. That location was at "Horse
Flats" described in this 1928 paper.
a 45-minute drive along the Angeles Crest Highway north
of Pasadena, California, the visitor
arrives at Stony Ridge Observatory in the heart of the beautiful
Angeles National Forest.
We invite you to browse our web site by starting with our History
page, or by visiting our SRO Vistas
Gallery to view some of our members' photographs of the
Stony Ridge area.