| Location | Wakayama Pref. |
|---|---|
| Shape | Keyhole-shaped mound |
| Period | Mid-Late 5th century |
A keyhole-shaped tumulus in Arita City, Wakayama Prefecture, located within the ENEOS Wakayama Refinery. The burial chamber contains a box-type stone coffin, and bronze mirrors, stone pillows, swords, and armor have been excavated. A local tradition associates it with Prince Nagaya. Prefectural Historic Site.
Bronze mirrors, stone pillow, straight sword, armor, Sue and Haji wares.
Located inside the ENEOS Wakayama Refinery; not generally accessible to the public.