A keyhole-shaped mound 90m long. The rear circle is 54m across and 7.5m high; the front is 32m wide and 5m high. It is the second-largest mound in the Kaya valley of Tango after Ebisuyama No.1. The name reads “Shirageyama.”
Finds & research
The mound itself is largely unexcavated, yielding only potsherds; a knife (tosu) and a spear-plane (yariganna) were recovered from nearby burials.
Two views on the occupant
Archaeological view
A keyhole-shaped mound dated to the middle of the Early Kofun period (mid-4th century). Built in two tiers with fukiishi facing and a cobble-paved terrace; no haniwa have been confirmed.
Imperial Household Agency view
Not an Imperial Household Agency mausoleum. Designated a National Historic Site in 2002. In the Kaya valley of Tango it is the second-largest Early Kofun-period mound after Ebisuyama Kofun (id:297).
Field notes
Located in Ushirono, Yosano, Yosa District, Kyoto. The surrounding Kaya valley holds Ebisuyama Kofun and the Tsukuriyama group.