An imperial mausoleum managed by the Imperial Household Agency as the tomb of Emperor Taisho, the 123rd emperor. It stands at Nagabusamachi, Hachioji, Tokyo, within the Musashi Imperial Graveyard.
Finds & research
The IHA visitor page does not describe the burial facilities or grave goods.
Official status & archaeological view
Official status
Managed by the Imperial Household Agency as the mausoleum of Emperor Taisho, the 123rd emperor; the official form is an upper-round, lower-square tumulus (joen-kahofun).
Attribution (jitei): the Imperial Household Agency's determination of whose tomb it manages — separate from heritage designation.
Archaeological view
The IHA visitor page does not give dimensions. Hachioji City records the construction of Tama Mausoleum in 1927 and the start of public visits on 13 February that year. A Showakan photograph documents construction work around February 1927.
Field notes
About 20 minutes on foot from JR/Keio Takao Station. Open 09:00–16:00, last entry 15:30; parking is available at the entrance. Follow current IHA guidance and on-site signs. The goryoin (mausoleum seal) is kept at the Tama Mausolea Office in Hachioji, Tokyo, where visitors can use it free of charge (reception 9:00–16:00; staff may be unavailable on weekends, holidays, 29 Dec–3 Jan and some other days). Nearby imperial mausoleum: Mausoleum of Emperor Showa↗.