Azuchi-Hyōtanyama Kofun

The Azuchi-Hyōtanyama Kofun (安土瓢箪山古墳) is a Kofun period burial mound located in the Azuchi neighborhood of the city of Ōmihachiman, Shiga Prefecture in the Kansai region of Japan. The tumulus was designated a National Historic Site of Japan in 1957.[1] With a total length of 134 meters, it is the largest kofun in Shiga Prefecture, and is estimated to have been built around the middle of the 4th century AD (early Kofun period).

Azuchi-Hyōtanyama Kofun
安土瓢箪山古墳
Azuchi-Hyōtanyama Kofun
Location in Japan
Location in Japan
Azuchi-Hyōtanyama Kofun
Location in Japan
Location in Japan
Azuchi-Hyōtanyama Kofun (Japan)
LocationŌmihachiman, Shiga, Japan
RegionKansai region
Coordinates35°08′32″N 136°08′54″E
TypeKofun
History
Founded4th century AD
PeriodsKofun period
Site notes
Public accessYes (no public facilities)

Overview

The Azuchi-Hyōtanyama Kofun is located on a ridge extending from Mount Kinugasa, at the western foot of Mount Kannonji on the eastern shore of Lake Biwa. It is a zenpō-kōen-fun (前方後円墳), which is shaped like a keyhole, having one square end and one circular end, when viewed from above, orientated to the northwest. At the time of its construction, the water level of Lake Biwa was higher than at present, and this ridge was a peninsula extending into the lake. The main road connecting the Gamō and Kōka Districts of Ōmi Province is at the base of this peninsula, thus the tumulus was on a strategic position overlooking both land and water transportation.[2]

The tumulus was excavated from 1935 to 1936. The mound is considerably weathered and it is not certain if it was constructed in tiers, or if it had fukiishi. However, numerous cylindrical haniwa and earthenware jars with perforated bottoms have been found. The burial chamber consisted of three pit-type stone-lined chambers in the posterior circular portion, and two box-type sarcophagus in the anterior rectangular portion. A large quantity of grave goods was recovered from these five burial chambers, including bronze mirrors, iron swords and spearheads, bronze arrowheads, beads and shell jewelry. A restored model of the central stone chamber and replicas of many of the artifacts recovered are on display at the Shiga Prefectural Azuchi Castle Archaeological Museum (滋賀県立安土城考古博物館, Shiga Kenritsu Adzuchijō Kōko Hakubutsukan), with the actual artifacts stored at the Kyoto University Museum. The central stone chamber in the posterior circular portion is considered to be the main burial.

  • excavated burial chamber
    excavated burial chamber
  • Bronze mirrors
    Bronze mirrors
  • Iron weapons
    Iron weapons
  • Bronze arrowheads, shell jewelry
    Bronze arrowheads, shell jewelry

The tumulus is located bout 25-minute walk from Azuchi Station on the JR West Tōkaidō Main Line.[2]

Overall length
134 meters
Posterior circular portion
78 meter diameter x 13 meter high
"Neck" portion
56 meters wide
Anterior rectangular portion
62 meters wide x 7 meters high

See also

References
  1. "瓢箪山古墳" [Hyōtanyama Kofun] (in Japanese). Agency for Cultural Affairs. Retrieved August 20, 2020.
  2. Isomura, Yukio; Sakai, Hideya (2012). (国指定史跡事典) National Historic Site Encyclopedia. 学生社. ISBN 4311750404.(in Japanese)
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