An imperial mausoleum at Goryocho, Otsu, Shiga Prefecture, managed by the Imperial Household Agency as the tomb of Emperor Kobun, the 39th emperor. The Otsu City Museum of History notes that Prince Otomo was given the name Emperor Kobun in 1870, and that a mound at the foot of Mt. Nagara, regarded as where he died, became his mausoleum.
Official status & archaeological view
Official status
Managed by the IHA as the mausoleum of Emperor Kobun, the 39th emperor; the official form is a round tumulus (enkyu).
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 its archaeological size, construction date, or burial structure.
Field notes
Per the IHA, it is about a 5-minute walk from Keihan Otsu-shiyakusho Station or about a 10-minute walk from JR Otsukyo Station, and worship is generally possible year-round from 8:30 to 17:00. The goryoin (mausoleum seal) is kept at the Tsukinowa Mausolea Office in Higashiyama-ku, Kyoto, where visitors can use it free of charge (reception 8:30–17:00; staff may be unavailable on weekends, holidays, 29 Dec–3 Jan and some other days).