Okkoshi Castle 打越城
Founder Yokoo Clan
Year unknown
Type Hilltop
Condition Ruins
Alternate Name Uchigoya-jo, Yokoo-jo
Admin's Rating ★ ☆ ☆ ☆ ☆
Historical Site Local Historic Site
Location Ueda, Nagano Pref.
Map Google Map
Access Ueda Sta. (Shinano Railway, Nagano Bullet train), 25 minute bus to Yukimuranosato bus stop (Sugadaira bus from #3 bus stop at Ueda Sta), 10 min walk
Visited March 31, 2016
Visitor Info. mountain trails open any time | Time Required: 30 mins
Notes 城跡の案内板が少なくて、曲輪などがちょっとわかりづらいです。黒門から東へ(右へ)と伸びる尾根が城跡でその上が曲輪に分かれています。また行くとしたら、信綱寺からの登山道で長尾城へ行ってから尾引城に降りてみたいと思います。近くに真田氏ゆかりの城跡が多いので全部登城するのに数日かかりそうです。
History The early history of Okkoshi Castle is unclear. The local lord of the Yokoo clan, a vassal of the Murakami, had a home behind this castle. The castle is very small, just occupying one small hilltop ridge that extends between two rivers. It is high enough to provide a good view of the surrounding plains and easily defensible sitting between the two rivers. Though small, it seems like an ideal location for a satellite castle. Nearby, a short walk west, is Obiki Castle, a significantly larger castle, and at the top of the mountain just North of Okkoshi and Obiki Castles is Nagao Castle. This area was an important defense on the roads leading to Ueda and Matsushiro. It would make sense that these three castles all worked together as the main defense for this side of the plain and for watching over these roads. There are also trails from Obiki Castle and the temple behind Okkoshi Castle (Shinkoji) that lead to Nagao Castle.

Yokoo Nobumitsu died at the Battle of Uedahara (1548), despite it being a great victory for the Murakami. His son was too young to become the new lord so the lands went to the Sanada. It is likely the Sanada manned it as one of the fortifications in their rich network around this plain. Even though each castle is not necessarily large nor strong the advanced network of castles around this area creates a formidable defense. The temple (Shinkoji) behind the castle was erected by Sanada Masayuki to his brother who perished at the Battle of Nagashino.

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Ueda, Nagano Pref.
Okkoshi Castle views
Bailey Kuromon Gate.
Ruins of the masugata gate Masugata gate
Horikiri and bailey Path to a bailey
Bailey Path alongside the baileys
Bailey Bailey
Path to one of the baileys View from the castle
2 other castles of the Sanada Memorial to significant Sanada events.
Map Map of the castle grounds