Wankashizuka burial mound|The stone chamber is the largest in the Shikoku region

The Wankashizuka burial mound is one of the Onohara burial mounds and is located in Onohara, Onohara-cho, Kannonji City. It is located in close proximity to the Iwakurazuka burial mound, behind the main shrine of the Onohara Hachiman Shrine.
The burial mound is surrounded by a double moat, and a low embankment (dike) has been placed between the moats. The burial facility in the main part is a double-sleeved, side-hole stone chamber with an opening to the southwest. It is a multi-chambered stone chamber consisting of a bas-relief chamber, an anterior chamber, and an envy passage, and the floor area of the bas-relief chamber is one of the largest in Japan in the 6th century. Excavated artifacts include Sue ware shards such as bowls, bowls, vases, and jars.
On October 7, 2015, it was designated as a National Historic Site as the Onohara Kofun Tumulus Group.

address

1913, Onohara-cho, Kanonji, Kagawa 769-1611

map

Google Map

shape

round burial mound

scale

Diameter 37.2m

burial facility

double-sided cave stone chamber

Total length of stone chamber

14.8m

back wall of the first room

stacking of four stacks

Construction period

Late 6th century

car

Approximately 4 minutes (1.5 km) by car from the Onohara IC on the Takamatsu Expressway
Approximately 12 minutes (5.5 km) by car from Kannonji City

train

Approximately 5 minutes by cab from JR Toyohama Station (2.4 km)

  • Onohara Tumulus Group
  • glossary

Iwakurazuka burial mound
Location: On the grounds of Jiunji Temple
Hiratsuka burial mound
Location: West side of Onohara Central Park
Kakuzuka burial mound
Location: West side of Onohara Central Park

This is a very rare group of burial mounds in Japan, with four burial mounds with horizontal stone chambers, the largest or the largest in Shikoku, located within a 700-meter diameter area.

Circular mound: Ancient burial mound with a circular mound
Square mound: An ancient burial mound with a square-shaped mound
Tomb mound: a mound of earth and pebbles built up to form a mound
Moat: A moat dug around a burial mound.
Enjido: a passageway leading to the outside of the tomb.
Stone chamber: A tomb chamber built of natural or processed stones.
Gen chamber: a room in which the remains were placed.
Sue ware: Ceramic earthenware produced in Japan between the Kofun and Heian periods.
Jiushi ware: unglazed earthenware used from the Kofun to Heian periods
Granite: relatively coarse-grained rock composed mainly of quartz and feldspar

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