None. My source of information for Nosezakanishijō is Yogo-sensei, a castle blogger, but he says the history unknown. It wouldn’t surprise me – speculating – if the fort was used as a beacon tower by the Takeda Clan. It sits between the main Kai basin and a connecting valley. It may have been linked to Kōjin’yama-noroshidai which sits on a hill in the basin below.
Nosezakanishijō is a yamajiro (mountaintop castle) site with earthworks ruins such as kuruwa (baileys) and horikiri (trenches). There are a few baileys, with the main bailey being at the top in the centre with indications of terracing below. Along the western ridge is a horikiri. Nosezakanishijō is a small site which can only be appreciated by yamajiro otaku.
|English Name||Nosezakanishi Castle|
|Year Founded||Sengoku Period|
|Castle Condition||Ruins only|
|Historical Period||Pre Edo Period|
|Artifacts||Horikiri, Kuruwa, &c.|
|Access||Nearest station is Higashi-Yamanashi Station on the Chūō Main Line|
|Time Required||20 minutes|
|Location||Yamanashi, Yamanashi Prefecture|
|Coordinates||35° 43' 47.64" N, 138° 40' 54.34" E|
|Added to Jcastle||2022|
|Admin Year Visited||Viewer Contributed|
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