Japan-Places.com has listed approx 93 observatories in Japan. Some of the Top rated observatories in Japan are- Nobeyama radio observatory, National Astronomical Observatory of Japan, National Astronomical Observatory of Japan, National Astronomical Observatory of Japan, Prefectural Gunma Observatory, Sekizaki Ocean and Astronomical Observatory Hall, Dodaira Observatory, Bisei Observatory, Sendai Astronomical Observatory & Misato Observatory.