Komatsu Castle (Sagami)

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SagamiKomatsujou (3).JPG


Komatsujō, constructed by Nagai Hidehiro, is thought to have been a branch castle of Tsukui Castle or Katakura Castle. The Hōjō Clan developed the fort in preparation for Takeda Shingen invading Sagami from Kai. The Nagai Clan were castellans of Komatsujō, and they lived at the foot of the castle mount; the site of Hōsenji today is where the castle’s kyokan (residential area) stood.

Visit Notes

Komatsujō is a yamajiro (mountaintop castle) in the Midori Ward of Sagamihara Municipality. It is not high up and has a well maintained trail. There are some explanatory boards about the castle with a map. This earthworks castle is essentially made up of a series of small bailey spaces segregated by horikiri, trenches which bisect the mountain ridge. There is some evidence of other earthworks such as dorui (earthen ramparts) and tatebori (climbing moats). The earthworks behind the signboard may have supported a yagura (small tower).

  • Horikiri

Castle Profile
English Name Komatsu Castle (Sagami)
Japanese Name 相模小松城
Founder Nagai Hidehiro; Hōjō Clan
Year Founded Muromachi Period; Sengoku Period
Castle Type Mountaintop
Castle Condition Ruins only
Historical Period Pre Edo Period
Artifacts Horikiri, Kuruwa, Dorui
Features trenches
Visitor Information
Access Aihara Station on the Yokohama Line; 50 minute walk to Hōsenji
Visitor Information 24/7 free; mountain
Time Required 30 minutes
Location Sagamihara, Kanagawa Prefecture
Coordinates 35° 36' 10.51" N, 139° 17' 28.25" E
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Added to Jcastle 2023
Contributor ART
Admin Year Visited Viewer Contributed
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