Also known as: Largest keyhole mound in Ise region
Location
Mie Pref.
Shape
Keyhole-shaped mound
Mound length
111 m
Period
Early 5th c.
Overview
The largest keyhole mound in the Ise region (111m), located in Matsusaka City, Mie Prefecture. National Historic Site. In August 2024, 278 excavated haniwa were designated a National Treasure — drawing national attention. The large boat-shaped haniwa are first-class evidence of ancient maritime traffic. The originals are on display at the Matsusaka City Cultural Property Center (Haniwa Museum).
Finds & research
Boat-shaped haniwa (1), enclosure-shaped haniwa (3), cylindrical and figural haniwa (278 items total — designated National Treasure in 2024).
Two views on the occupant
Archaeological view
The largest keyhole mound in the Ise region (111m long, 10m high rear section). Located on the right bank of the Sakauchiagawa River, Matsusaka City. Early 5th century. The 278 excavated haniwa (1 boat, 3 enclosures, cylindrical and figural haniwa) were designated a National Treasure in 2024. The large boat-shaped haniwa are first-class evidence of ancient maritime transport. A key mound documenting the eastward expansion of Yamato authority and Ise chieftain power.
Imperial Household Agency view
Not designated by the IHA. Designated a National Historic Site in 1932. Excavated haniwa designated as National Treasure on 27 August 2024.
Field notes
Adjacent to the Matsusaka Cultural Property Center (Haniwa Museum) where National Treasure haniwa are displayed for free. About 15 min by car from JR Kisei/Kintetsu Yamada Line "Matsusaka" Station. Jointly preserved with Takarazuka No.2 Kofun (id:327) as Takarazuka Kofun Park.