In-depth article
Jōetsu, Niigata
Kasugayama Castle
春日山城
Uesugi Kenshin's castle had no stone walls and no keep: it was carved out of an entire mountain.
Japan's 100 Fine Castles No. 32CastleMountain
Japan Castle Atlas
Nagao Tamekage
長尾為景
Connected castles
In-depth article
柴錬アワーCC BY-SA 4.0Wikimedia Commons
BuiltRecord source: jokaku
In-depth article
Jōetsu, Niigata
Kasugayama Castle
春日山城
Uesugi Kenshin's castle had no stone walls and no keep: it was carved out of an entire mountain.
Japan's 100 Fine Castles No. 32CastleMountain
Rebuilt / expandedRecord source: wikipedia
Basic information
Toyama, Toyama
Shinjo Castle
新庄城
CastleFlatland
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BuiltRecord source: wikipedia