Kitayatsu Site
北谷遺跡
Location in Japan
Location in Japan
Kitayatsu Site
Location in Japan
Location in Japan
Kitayatsu Site (Japan)
LocationTakasaki, Gunma, Japan
RegionKantō region
Coordinates36°23′57″N 139°00′35″E / 36.39917°N 139.00972°E / 36.39917; 139.00972
Typesettlement ruins
History
Foundedlate 5th century
PeriodsKofun period
Site notes
Public accessYes (no facilities)

The Kitayatsu Site (北谷遺跡, Kitayatsu iseki) is an archaeological site with the ruins of a Kofun period residence located in what is now the Higashimachi neighborhood of the city of Takasaki, Gunma Prefecture in the northern Kantō region of Japan. It was designated a National Historic Site of Japan in 2005, and extended in 2020.[1] It is contemporary with the nearby Hodota Kofun Cluster which has a separate National Historic Site designation.

Overview

The Kitayatsu site is located is located on a plateau at an elevation of 145 meters that spreads out at the foot of the southeastern foot of Mount Haruna. In the year 2000, the ruins of a large fortified residence belonging to a gōzoku clan ruling the surrounding area during the Kofun period was discovered. The site was fortified by two ravines forming natural moats to the east and west and two artificial moats with a width of 30 meters and depth of three meters to protect the northern and southern sides. The moats contained masonry with a breccia substrate, and it appears that the north and west moats also served for water storage. It is estimated through analysis of the volcanic ash from an eruption of Mount Asama which had accumulated in the moats to date from the latter half of the 5th century AD, or the middle of the Kofun period. The site of the residence is a square 90 meters on each side, containing buildings arranged in a "U" shape, forming a courtyard that was open to the south.[2]

The ruins are approximately the same size and shape as the Mitsuji I site about three kilometers away, and are believed to have been built to a common standard. It is assumed to have been the residence for the persons buried in the kofun of the Hodota Kofun Cluster, which consists of three large keyhole-shaped tumuli (zenpō-kōen-fun (前方後円墳)) located one kilometer to the northwest. The site was backfilled after excavation. It is located about 35 minutes by car from Takasaki Station.[2] There are no public facilities.

See also

References

  1. ↑ "北谷遺跡" (in Japanese). Agency for Cultural Affairs. Retrieved August 20, 2020.
  2. 1 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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