Shimizu Castle




The castle was built in 1228 for Iwasaki Yoshitaka. The Iwasaki lived here for 12 generations until they were moved to Iwasaki Castle in 1522. Given it's location and proximity to Karasawayama, Shimizu Castle was likely an important satellite fortification of Karasawayama Castle. After the Iwasaki, the Sano continued to control the castle until they were reassigned in 1614. The castle was abandoned at this time.

Visit Notes

There's really not much to see here except the outlines of some trenches and an earthen embankment. Most of the grounds are the temple or private property so it's a bit difficult to gif good places for photos. This is an easy stop on the way to Karasawayama Castle and there is a hiking course that actually takes you from the opposite side of the station up to the castle, but it is a slightly longer route than the typical one from Tanuma Station. While there are no remains of note, the short lived Yoshimizu Jin'ya was also established nearby in 1616.
遺構は土塁と空堀がありますが城域のほとんどが寺と私有地のためにやや入りずらいし、良い写真も撮れません。唐沢山城のついでに訪れたらいかがでしょうか。 田沼駅発のコースよりちょっと長いけれど吉水駅の反対側から登城のコースもあります。1616に吉水城の一角に吉水陣屋も築かれました。

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  • Entrance to the castle
  • Embankment
  • Earthen embankment
  • Gate to the temple, not part of the castle
  • Gate to the temple, not part of the castle.
  • View across the main bailey
  • Embankment and trench

Castle Profile
English Name Shimizu Castle
Japanese Name 清水城
Alternate Names Koseiji-jo
Founder Sano Kunitsuna
Year Founded 1228
Castle Type Flatland
Castle Condition Ruins only
Designations Local Historic Site
Historical Period Pre Edo Period
Features trenches
Visitor Information
Access Yoshimizu Sta. (Tobu Sano Line), 10 min walk
Visitor Information Koseiji Temple
Time Required 15 mins
Location Sano, Tochigi Prefecture
Coordinates 36° 20' 59.06" N, 139° 34' 32.59" E
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Added to Jcastle 2017
Admin Year Visited 2017
Admin Visits November 25, 2017

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