Hadanashiyama Castle
Hadanashiyamajō is a yamajiro (mountaintop castle) ruin in Hadanashi Township, Okazaki Municipality. Ruins consist of baileys and trenches sculpted from the hilltop. There are two integral baileys separated by a trench system. There is evidence of a trench to the rear of the site which would've prot
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History
Hadanashiyamajō was built as a fortified mountaintop dedoubt paired with Hadanashijō to the north. See Hadanashijō for more info'.
Field Notes
Hadanashiyamajō is a yamajiro (mountaintop castle) ruin in Hadanashi Township, Okazaki Municipality. Ruins consist of baileys and trenches sculpted from the hilltop. There are two integral baileys separated by a trench system. There is evidence of a trench to the rear of the site which would've protected from the direction of the ridge. The main bailey is ensconced by spiral-like tiers of koshikuruwa (terraced baileys).
The castle-mount can be accessed from a path opposite the cemetery. The trail goes past abandoned rice paddies which have returned to nature. There is a strange, square pit formed from berms and some stone-piled retaining walls near the start of the trail. The pit is the size of a small room and has an entrance area with stone walls. I thought it might be a storage pit or a pen for an animal.
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| Castle Profile | |
|---|---|
| English Name | Hadanashiyama Castle |
| Japanese Name | 秦梨山城 |
| Founder | Ao Clan |
| Year Founded | Medieval Era |
| Castle Type | Mountaintop |
| Castle Condition | Ruins only |
| Historical Period | Pre Edo Period |
| Artifacts | Tatebori, Kuruwa, Koshikuruwa, &c. |
| Features | trenches |
| Visitor Information | |
| Access | I cycled from Okazaki. 'Hello Cycle' rental bicycles are available in Okazaki. |
| Hours | 24/7 free; mountain |
| Time Required | 30 minutes |
| Location | Okazaki, Aichi Prefecture |
| Coordinates | 34.94674, 137.2497 |
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| Admin | |
| Added to Jcastle | 2023 |
| Contributor | ART |
| Admin Year Visited | Viewer Contributed |
| Friends of JCastle | |
| Jōkaku Shashin Kiroku | |
| Umoreta Kojō | |
| Yogo | |
| Aichi Shiro | |
| Kojō Seisuiki | |
| Shiseki Tanbōki | |
