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Battle of Ishibashiyama

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Title: Battle of Ishibashiyama  
Author: World Heritage Encyclopedia
Language: English
Subject: Genpei War, Sasaki Yoshikiyo, Odawara, Kanagawa, Battles of the Genpei War, Kajiwara Kagetoki
Collection: 1180 in Japan, Battles of the Genpei War, Conflicts in 1180, Hakone, Kanagawa, Odawara, Kanagawa
Publisher: World Heritage Encyclopedia

Battle of Ishibashiyama

Battle of Ishibashiyama
Part of the Genpei War

A 19th century depiction of combat on the rocky shore at Ishibashiyama
Date September 14, 1180
Location Ishibashiyama, in the Hakone Mountains, near Mount Fuji in present-day Odawara, Kanagawa Prefecture
Result Taira victory
Minamoto clan Taira clan
Commanders and leaders
Minamoto no Yoritomo Oba Kagechika
300 3000
Casualties and losses
unknown unknown

The Battle of Ishibashiyama (石橋山の戦い Ishibashiyama no tatakai) was the first in which Minamoto Yoritomo, who was to become shogun less than a decade later, was commander of the Minamoto forces. The battle was fought on September 14, 1180 in the southwest of present-day Odawara, Kanagawa Prefecture near Yoritomo's headquarters at Kamakura.[1][2]


Yoritomo was exiled by Taira no Kiyomori following the Heiji Rebellion of 1160. In the following years, the Taira clan attempted to consolidate their position, eventually forcing the Emperor Takakura to abdicate in favour of his infant son, Antoku, whose mother was a Taira. Prince Mochihito felt that the throne should have been his, and in August 1180, issued an order to Yoritomo to gather the clans of the Kantō Plain in an uprising against the Taira. When Kiyomori heard that Yoritomo had left Izu Province for the Hakone Pass, he appointed Ōba Kagechika to stop him. Although there was much sympathy for Yoritomo's call to arms, the clans were wary of openly supporting him and an army of only 300 gathered at Ishibashiyama where he had raised his standard. A force from the Miura clan was prevented from reaching Yoritomo by the Sakawa River which was in flood.[3]

The Battle

Kiyomori launched a night attack on the Minamato camp with 3,000 men. A further 300 under Itō Sukechika skirted around the camp and attacked from the rear. The defenders were aided by elements of Kiyomori's force who were secretly loyal to the Minamato and who could disrupt the battle without detection in the dark and stormy conditions. However, sheer weight of numbers soon told and the Minamato made a fighting retreat, culminating in a final stand by a hollow tree. When all was lost, Yoritomo is said to have hidden inside the tree trunk with a single companion. Here he was found by one of his secret allies and smuggled from the battlefield.[4] Yoritomo fled by sea from Capa Manazuru to Awa Province in the south of present-day Chiba Prefecture on September 28, 1180.[1]


  • Turnbull, Stephen (1998). 'The Samurai Sourcebook'. London: Cassell & Co.
  1. ^ a b "Shibayama-machi". Nihon Daihyakka Zensho (Nipponika) (in 日本語). Tokyo: Shogakukan. 2012. Retrieved 2012-05-09. 
  2. ^ "Ishibashiyama". Dijitaru daijisen (in 日本語). Tokyo: Shogakukan. 2012. Retrieved 2012-05-09. 
  3. ^ , Published by the Author, Yokohama, 1910 (pp.28-29)Saitō Musashi-bō Benkei: Tales of the Wars of the Gempei, being the story of the lives and adventures of Iyo-no-Kami Minamoto Kurō Yoshitsune and Saitō Musashi-bō Benkei the warrior monkJames S. De Benneville,
  4. ^ De Benneville, (pp.29-30)

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