Ishibutai Tomb - Ishibutai Tomb

Japanese: 石舞台古墳 - いしぶたいこふん

<br /> An ancient tomb from around the 7th century located in Shimasho, Asuka Village, Takaichi County, Nara Prefecture. The mound of earth covering the tomb was lost early on, exposing a huge rock, which has come to be called Ishibutai due to its appearance. This is the ceiling and side walls of the main chamber of a horizontal stone chamber, which is said to be the tomb of Soga no Umako , and is also known as Soga no Umako 's Momohara Tomb. The main chamber is approximately 7.7m long, 3.5m wide, and 4.7m high, with an entrance passage approximately 11m long and 2.5m wide, and there is a drainage facility inside the stone chamber. Over 30 stones are piled up, with a total weight estimated at 2,300 tons. The huge rock is thought to have been transported from the foot of Mt. Tonomine , upstream of the Fuyuno River near the tomb. Since there is no earth covering the mound, its shape is unclear, but it is speculated to be a two-tiered square mound, a circular mound with an upper part and a lower part, or an octagonal mound with a lower part. It is also said to be a magnificent square mound with a square base measuring 51m on each side, surrounded by a dry moat made of paved stones, and an outer bank (approximately 83m north to south and 81m east to west). It was designated a national historic site in 1935 (Showa 10), and a special historic site in 1952 (Showa 27). There is a theory that the removal of the earth covering the mound and the exposing of the tomb was a punishment against the Soga clan. It is currently maintained as part of the National Asuka Historical Park. Take the community bus from Kashihara-Jingu-mae Station on the Kintetsu Railway Kashihara Line or other lines to Ishibutai, and walk for about 3 minutes.

Source: Kodansha National Historic Site Guide Information

Japanese:

奈良県高市郡明日香(あすか)村島庄にある7世紀ごろの古墳。早くから古墳を覆う封土（盛り土）が失われ、巨大な岩が露出し、その姿から石舞台と呼ばれてきた。これは横穴式石室の玄室部の天井と側壁で、蘇我馬子(そがのうまこ)の墓と伝承され、蘇我馬子桃原墓(ももはらのはか)という別称もある。玄室は、長さ約7.7m、幅約3.5m、高さ約4.7m、羨道(せんどう)は長さ約11m、幅2.5mの規模で、石室内部には排水施設がある。三十数個の石が積まれ、その総重量は2300tと推定され、巨岩は古墳近くの冬野川の上流、多武峰(とうのみね)の麓から運ばれたとみられている。封土がないため、その墳形は明確ではないが、2段積みの方墳とも上円下方墳とも、あるいは、下方八角墳とも推測されている。また、1辺51mの方形基壇の周囲に貼り石された空濠をめぐらし、さらに外堤（南北約83m、東西約81m）をめぐらした壮大な方形墳であるともいわれる。1935年（昭和10）に国指定史跡になり、1952年（昭和27）に特別史跡に指定された。封土が剝がされ、墓が暴かれたのは、蘇我氏に対する懲罰であったとする説もある。現在は国営飛鳥歴史公園の一部として整備されている。近畿日本鉄道橿原線ほか橿原神宮前駅からコミュニティバス「石舞台」下車、徒歩約3分。

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