Atsushiba Yashiki (Koma)
Ruins of Atsushiba-yashiki are said to include dorui (earthen ramparts) and kuruwa (baileys), but the site today is covered in rice paddies so it can be difficult to distinguish the terracing for fields from embankments which were once fortified. However, the most likely area surrounds the shrine (Y
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History
Atsushiba-yashiki in the historical Koma County is said to be the birthplace of the Ogasawara Clan, a noteworthy clan who would go on to dominate Shinano Province. From 1185, at the dawn of the feudal era, Nagakiyo, the second son of Kagami Tômitsu, took charge of the Ogasawara-maki, a ranch used by Imperial government to breed horses for war, and, at the start of the Kamakura period, began the Ogasawara Clan here, building a manor hall known as the Atsushiba-yashiki. It is also known as the Ogasawara-yashiki. The neighbourhood today, located in Akeno Township of Hokuto Municipality, is also called Ogasawara.
Field Notes
Ruins of Atsushiba-yashiki are said to include dorui (earthen ramparts) and kuruwa (baileys), but the site today is covered in rice paddies so it can be difficult to distinguish the terracing for fields from embankments which were once fortified. However, the most likely area surrounds the shrine (Yasaka-jinja); the terraces and mounds around the paddies are tall. Fields to the south and west of the shrine stand out as being possible bailey sites.
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| Castle Profile | |
|---|---|
| English Name | Atsushiba Yashiki (Koma) |
| Japanese Name | 巨摩厚芝屋敷 |
| Alternate Names | Ogasawara-yashiki |
| Founder | Ogasawara Clan |
| Year Founded | Kamakura Period |
| Castle Type | Fortified Manor |
| Castle Condition | Ruins only |
| Historical Period | Pre Edo Period |
| Artifacts | Dorui, Kuruwa |
| Features | |
| Visitor Information | |
| Access | Nearest station is Shinpu Station on the Chūō Main Line |
| Hours | Fields |
| Time Required | 20 minutes |
| Location | Hokuto, Yamanashi Prefecture |
| Coordinates | 35.75053, 138.45119 |
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| Admin | |
| Added to Jcastle | 2022 |
| Contributor | ART |
| Admin Year Visited | Viewer Contributed |
| Friends of JCastle | |
| Oshiro Tabi Nikki | |
