Maintained by W-W
The first telescope on the mountain, a 0.6m diameter reflector, was placed on this site in 1969. It is currently being replaced by the 0.9m UH-Hilo Educational Telescope.
UH-Hilo Educational Telescope websiteAn 8.1-meter optical/IR telescope operated by a consortium of seven countries.
Gemini Telescope websiteEight 6-meter submillimeter antennas operated by Smithsonian Astrophysical Observatory and Taiwan
SMA website15-meter diameter telescope for submillimeter astronomy operated by the UK, Netherlands and Canada
JCMT website3.6-meter optical telescope operated by Canada, France, and Hawaii
CFHT website3.0-meter diameter infrared telescope operated by University of Hawaii for NASA
IRTF websiteTwo 10-meter telescopes operated by Caltech and University of California
Keck website10.4 -meter antenna for submillimeter astronomy operated by Caltech
CSO websiteA 3.8-meter infrared telescope operated by the United Kingdom.
UKIRT websiteOptical/IR telescope used mainly by UH faculty and graduate students
UH 2.2-meter websiteThe westernmost antenna of the 25-m diameter Very Long Baseline Array is situated 3 miles below the summit
VLBA website