Nagakubo Castle

History

There are a few different theories about the early history of this castle, but they all indicate that a castle or fort could be found on this site back to the Kamakura Period. In 1537, Hojo Ujitsuna made use of some of the pre-existing earthworks to rebuild a new castle as the Hojo looked to extend their domain into the Sunto region. Nagakubo Castle would become one of the hot spots of battles between the Hojo, Imagawa and Takeda clans. In 1545, Imagawa Yoshimoto with help from the Takeda and Uesugi took Nagakubo castle. In 1568 the Hojo took the castle back again from Takeda Shingen who was controlling the castle at that time. A truce was made between the Hojo and Takeda in 1571 and the castle passed back to Takeda hands where it would remain until the end of the Takeda clan in 1582. From that point the castle was under the control of Tokugawa Ieyasu. Matsudaira Ietada fortified and enlarged the castle and it was used as an offensive base by Ieyasu against the Hojo for the siege of Odawara. The castle was abandoned in 1600 when the then lord Nakamura Kazuuji was moved to Yonago.

Visit Notes

Unfortunately the history of the castle is much more exciting than a visit to this site. The only remains are a few earthen embankments which you can barely make out. Much of the castle has been developed over and even the hillside has been excavated for a road. The extant earthworks you see are of the Hachiman and Minami baileys.

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Gallery

South Bailey
Earthen embankment
South Bailey embankment
Outside of the bailey
South Bailey
Earthen embankment
Bailey as a playground
Earthen embankment
Playground
Earthen embankment

Castle Profile
English Name	Nagakubo Castle
Japanese Name	長久保城
Founder	Hojo Ujitsuna
Year Founded	1537
Castle Type	Mountaintop
Castle Condition	Ruins only
Historical Period	Pre Edo Period
Features
Visitor Information
Access	Nagaizumi Nameri Sta (Gotenba Line), 16 min walk
Visitor Information	Park is open any time, there are no signs indicating the castle remains.
Time Required	20 mins
Website	http://www.sengoku-shizuoka.com/castle/3112005/
Location	Nagaizumi, Shizuoka Prefecture
Coordinates	35° 8' 53.95" N, 138° 53' 23.32" E
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Admin
Added to Jcastle	2014
Contributor	Eric
Admin Year Visited	2014
Admin Visits	June 20, 2014
Friends of JCastle
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ARTShogun

18 months ago

Score 1

Nagakubojō is an earthworks castle ruin. The remains of Nagakubojō can be found at the Jōyama Shrine. These earthworks, principally dorui (earthen ramparts), are all that remains of what was once quite a large medieval fort. The ruins actually represent one of Nagakubojō’s outer baileys, and not the central compound; one might imagine that the ruins used to be quite impressive then, but eventually they were developed over and are now destroyed or buried.

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