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Castle Hirayama Castle Site Park

This article is in the series Walking the Japanese Castles
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Hirayama Castle Site Park (平山城址公園) is a park maintained by the Tōkyō Metropolitan Government in the northern Tama Hills, straddling Hachiōji City and Hino City, Tōkyō. Adjacent to the park is the Tōkyō University of Pharmacy and Human Sciences, the Keiō Training Centre (Keiō Museum of Archives), Keiō Grounds and other Keiō Electric Railway facilities.

Hirayama Castle Site Park (平山城址公園)

There is a station called Hirayama Jōshi Kōen on the Keiō Line. Stations with the suffix "Jōshi" are rare, and as far as I know (although I'm not that familiar with railways), there is only one other station called Kogane Jōshi. So I've always wanted to visit one day. I explored Katakura Castle on the same day and concluded an exciting day visiting this historical park.

However, although it is called Jōshi Park, there has never been a clear-cut castle named Hirayama Castle. Originally, Hirayama Sueshige (平山季重), a general on the Genji side famous for his valour in numerous battles, including the Battle of Ichinotani, had his residence in the area around the present station. Sueshige was a member of the Musashi shichitō (武蔵七党), one of the seven samurai clans that ruled Musashi Province. The park's name is derived from a legend that Sueshige had a watchtower in the corner of the Tama Hills. There are no other castle remains in the park. This is also why the title of this page is 'Hirayama Castle Park' instead of 'Hirayama Castle'. Sueshige Shrine near the park entrance is dedicated to Hirayama Sueshige.

Hirayama Castle Site Park (平山城址公園)

From the park information board

Jōshi Park is a 20-minute walk up the hillside past the residential area after exiting the station. The path is narrow, but you will not get lost if you follow the directions.

① Just before the park, you will find the Hirayama Sueshige Shrine (平山季重神), dedicated to Sueshige, who gave the park its name.

Hirayama Castle Site Park (平山城址公園)

② And then arrive at the park. There is no dedicated parking, but there are spaces available for parking around the north-central entrance to the park.

Hirayama Castle Site Park (平山城址公園)

Some of the facilities are exciting, but it is essentially a village park.

Hirayama Castle Site Park (平山城址公園)

Hirayama Castle Site Park (平山城址公園)

Date of visit: 3 January 2014


  • Address: 6-35-17 Hirayama, Hino, Tōkyō 191-0043
  • Access: 20-min walk from Hirayama Jōshi Kōen Station on Keiō Line.
    6 km from Hachiōji Interchange of Chūō Highway via Metropolitan Road 155.
  • Parking: Parking space (at point 'P' on the map above)
  • Other sights: Katakura Castle
Next article in the series 'Walking the Japanese Castles': Yamanaka Castle
Previous article in the series 'Walking the Japanese Castles': Katakura Castle
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Hiroto Uehara
Hiroto is an ordinary Japanese office worker, but his true mission is searching for castles on the weekend.


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Series table of contents

Iwatsuki Castle Shakujii Castle Oda Castle Tsuchiura Castle Miharu Castle Inohana Castle Setagaya Castle Konodai Castle Usui Castle Sakura Castle Kozukue Castle Masugata Castle Koga Castle Tenjinyama Castle Ogura Castle Sugaya Castle Sugiyama Castle Kogane Castle Kokokuji Castle Nagahama Castle (Izu) Nirayama Castle Hachigata Castle Futagamiyama Castle Edo Castle Kawahara Castle Kageishi Castle Wakasa-Onigajo Castle Tenjinyama Castle (Tottori) Tsuzurao Castle Ueshi Castle Jindaiji Castle Kururi Castle Mariyatsu Castle Narukami Castle Ryozen Castle Kori-Nishiyama Castle Tsutsujigasaki Residence Yogai Castle Kofu Castle Iwadono Castle Hachioji Castle Takiyama Castle Suemori Castle Nagoya Castle Inuyama Castle Kiyosu Castle Tatebayashi Castle Sano Castle Karasawayama Castle Ueda Castle Sanada Residence Sanada Honjo Toishi Castle Katsurao Castle Uchiyama Castle Hiraga Clan Castle Taguchi Castle Tatsuoka Castle Komoro Castle Matsushiro Castle Kajiki Castle Kakuto Castle Hitoyoshi Castle Ichiuji Castle Izaku Castle Chiran Castle Kiyoshiki Castle Kamo Castle Miyakono Castle Obi Castle Shibushi Castle Koyama Castle Mukasa Castle Sadowara Castle Tonokoori Castle Taka Castle Nerima Castle Kawagoe Castle Ashikaga Residence Koizumi Castle Kanayama Castle Shinagawa Battery (Odaiba) Tamba Kameyama Castle Yagi Castle Sonobe Castle Fushimi Castle Yodo Castle Shoryuji Castle Yamazaki Castle Tsukui Castle Katakura Castle Hirayama Castle Site Park Yamanaka Castle Sanuki Castle Sunpu Castle Koyama Castle (Shizuoka) Ryugenzan Castle Sagara Castle Tanaka Castle (Shizuoka) Ishiwaki Castle Hanazawa Castle Mochifune Castle Moriyama Castle (Aichi) Obata Castle (Aichi) Ryusenji Castle Gakuden Castle Komakiyama Castle Iwakura Castle (Aichi) Kano Castle Gifu Castle Kitagata Castle Sone Castle Ōgaki Castle Ōtaki Castle Obata Castle (Ibaraki) Mito Castle Kasama Castle Tanagura Castle Akadate Castle Inawashiro Castle Aizu-Wakamatsu Castle Mukai-Haguroyama Castle

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Hiroto Uehara
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〒191-0043 東京都日野市平山6丁目35−17

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