Some ICRR experimental facilities are located underground.
- Super-Kamiokande, the world’s largest underground neutrino detector
- XMASS, aiming to directly detect dark matter
- KAGRA, large-scale cryogenic gravitational wave telescope
- The world’s largest underground neutrino detector
- Water tank, about 40m in height and diameter
- 11,129 "eyes" to observe neutrino interactions
- Search for the nature of dark matter at 1000m underground
- Detector with liquid Xenon at -100℃
- 642 "eyes" to observe lights
- Photomultiplier Tubes with hexagonal glass surfaces
- 200m underground to utilize low seismic environment
- L-shape 3km tunnel "arms"
- Colorless transparent sapphire mirror cooled at -253℃