Kitt Peak National Observatory

KPNO Telescopes

Kitt Peak National Observatory (KPNO), part of the National Optical Astronomy Observatory (NOAO), supports the most diverse collection of astronomical observatories on Earth for nighttime optical and infrared astronomy and daytime study of the Sun. Sharing the mountaintop site with the National Solar Observatory, KPNO, founded in 1958, operates three major nighttime telescopes and hosts the facilities of consortia which operate 19 optical telescopes and two radio telescopes. Kitt Peak is located 56 miles southwest of Tucson, AZ, in the Schuk Toak District on the Tohono O’odham Nation and has a Visitor Center open daily to the public.

Observatory postal address:

Kitt Peak National Observatory
950 N. Cherry Avenue
Tucson, AZ 85719

Telephone: (520) 318-8279

Last updated or reviewed February 21, 2011.