Maruyama Castle (Ina)

History

Maruyamajō is technically a hirayamajiro. There used to be an outer moat to the west protecting the flatland portion of the site toward where the kasuga-kaidō, an important trade route, ran (it is now 'Nagano Prefectural Road no. 88, Ina-Minowa Line'). Maruyamajō was used as part of the network of fortifications belonging to the Koide Clan. For more information see Ina Koide Castle.

Visit Notes

Koide-Maruyamajō is an earthworks fort site with deep, wide karabori (dry moats), multiple baileys and the remains of other earthworks such as tatebori (climbing trenches) and dorui (earthen ramparts). Luckily it had been pruned recently of bamboo growth when I visited, so the trenches were mostly clear. The site is now a cemetery and cedar plantation. This is a solid remnant of the Koide Castle fort network.

Gallery

Approaching main site rear trench visible to left and topmost bailey to right

Castle Profile
English Name	Koide Maruyama Castle
Japanese Name	小出丸山城
Alternate Names	小井弓丸山城
Founder	Koide Clan
Year Founded	Medieval Era
Castle Type	Hilltop
Castle Condition	Ruins only
Historical Period	Pre Edo Period
Artifacts	Kuruwa, Karabori, Dorui
Features	trenches
Visitor Information
Access	Shimojima Station on the Iida Line; 5 minute walk
Visitor Information	24/7 free; hill
Time Required	30 minutes
Location	Ina, Nagano Prefecture
Coordinates	35° 48' 44.86" N, 137° 56' 15.43" E
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Admin
Added to Jcastle	2022
Contributor	ART
Admin Year Visited	Viewer Contributed
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