Oiwayama Fort: Difference between revisions
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|Prefecture=Shiga Prefecture | |Prefecture=Shiga Prefecture | ||
|Notes=The castle site itself is quite small and requires only about 20 minutes to view it in its entirety. To reach the castle you need to either hike 2km downhill from [[Shizugatake Fort]] or 1.1 km up from [[Iwasakiyama Fort]]. The main enclosure is well maintained and signposted but the side baileys are overgrown and hard to get into. | |Notes=The castle site itself is quite small and requires only about 20 minutes to view it in its entirety. To reach the castle you need to either hike 2km downhill from [[Shizugatake Fort]] or 1.1 km up from [[Iwasakiyama Fort]]. The main enclosure is well maintained and signposted but the side baileys are overgrown and hard to get into. | ||
|History= | |History=Oiwayama Fort was the middle of three key mountaintop positions in Hideyoshi’s second defensive including [[Shizugatake Fort]]. | ||
The fort was commanded by Nakagawa Kiyohide (中川清秀), one of Hideyoshi’s most trusted retainers. On the morning of April 20, Shibata Katsuie’s general Sakuma Morimasa (佐久間盛政) launched a bold flanking attack, bypassing the well-defended Shizugatake summit and striking directly at Ōiwayama via the lakeside route. In a brutal and chaotic fight, Nakagawa was killed in action, making Ōiwayama Fort the first and only major position on Hideyoshi’s line to fall during the battle. | The fort was commanded by Nakagawa Kiyohide (中川清秀), one of Hideyoshi’s most trusted retainers. On the morning of April 20, Shibata Katsuie’s general Sakuma Morimasa (佐久間盛政) launched a bold flanking attack, bypassing the well-defended Shizugatake summit and striking directly at Ōiwayama via the lakeside route. In a brutal and chaotic fight, Nakagawa was killed in action, making Ōiwayama Fort the first and only major position on Hideyoshi’s line to fall during the battle. | ||
The loss of Kiyohide was a heavy blow, but it also triggered Hideyoshi’s famed counteroffensive. | The loss of Kiyohide was a heavy blow, but it also triggered Hideyoshi’s famed counteroffensive. On his return from Ogaki, Hideyoshi quickly assessed the situation, gathered his troops at [[Tagamiyama Fort]], and launched a rapid pursuit that routed Sakuma’s forces and turned the tide of the campaign. | ||
|Year Visited=2024 | |Year Visited=2024 | ||
|AddedJcastle=2025 | |AddedJcastle=2025 | ||
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|GPSLocation=35.52077, 136.20507 | |GPSLocation=35.52077, 136.20507 | ||
|Contributor=Eric | |Contributor=Eric | ||
|FriendsLinks={{FriendsLinks | |||
|FriendWebsiteName=Jokaku Horoki | |||
|FriendWebsiteURL=https://www.hb.pei.jp/shiro/oumi/ohiwayama-toride/ | |||
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}} | }} | ||
Revision as of 16:16, 15 June 2025
The castle site itself is quite small and requires only about 20 minutes to view it in its entirety. To reach the castle you need to either hike 2km downhill from Shizugatake Fort or 1.1 km up from Iwasakiyama Fort. The main enclosure is well maintained and signposted but the side baileys a
History
Oiwayama Fort was the middle of three key mountaintop positions in Hideyoshi’s second defensive including Shizugatake Fort.
The fort was commanded by Nakagawa Kiyohide (中川清秀), one of Hideyoshi’s most trusted retainers. On the morning of April 20, Shibata Katsuie’s general Sakuma Morimasa (佐久間盛政) launched a bold flanking attack, bypassing the well-defended Shizugatake summit and striking directly at Ōiwayama via the lakeside route. In a brutal and chaotic fight, Nakagawa was killed in action, making Ōiwayama Fort the first and only major position on Hideyoshi’s line to fall during the battle.
The loss of Kiyohide was a heavy blow, but it also triggered Hideyoshi’s famed counteroffensive. On his return from Ogaki, Hideyoshi quickly assessed the situation, gathered his troops at Tagamiyama Fort, and launched a rapid pursuit that routed Sakuma’s forces and turned the tide of the campaign.
Field Notes
The castle site itself is quite small and requires only about 20 minutes to view it in its entirety. To reach the castle you need to either hike 2km downhill from Shizugatake Fort or 1.1 km up from Iwasakiyama Fort. The main enclosure is well maintained and signposted but the side baileys are overgrown and hard to get into.
| Castle Profile | |
|---|---|
| English Name | Oiwayama Fort |
| Japanese Name | 大岩山砦 |
| Founder | Toyotomi Hideyoshi |
| Year Founded | 1583 |
| Castle Type | Mountaintop |
| Castle Condition | Ruins only |
| Historical Period | Pre Edo Period |
| Features | |
| Visitor Information | |
| Access | JR Yogo Station |
| Hours | mountain trails, well signposted |
| Time Required | 20 mins |
| Location | Nagahama, Shiga Prefecture |
| Coordinates | 35.52077, 136.20507 |
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| Admin | |
| Added to Jcastle | 2025 |
| Contributor | Eric |
| Admin Year Visited | 2024 |
| Admin Visits | April 29, 2024 |
| Friends of JCastle | |
| Jokaku Horoki | |
