Yamana Castle

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Yamana Castle has a long history dating back to the 1300's. It was originally one of 3 castles along a ridge in the mountains south of Takasaki: Terao Kami Castle (Terao Upper Castle), Terao Naka Castle (Terao Middle Castle) and Teraoshimo Castle (Terao Lower Castle, aka, Yamana Castle). In the Sengoku Period, it was the mountaintop castle of refuge (tsume-no-shiro 詰の城) for the plains castle, Kibe Castle.

In the Sengoku Period Yamana Castle was the Tsume-no-shiro, or last redoubt, of the Kibe Clan whose Fortified Manor or lowland castle was located about 2.5km east. The Kibe were allied with Takeda Shingen. Along the same ridge line as Yamana Castle, Takeda Shingen built Negoya Castle (Gunma) to further fortify this border, so Yamana Castle then functioned as a satellite fortification of Negoya Castle. After the death of Shingen, the Kibe supported the Hojo. The castle was likely abandoned in 1590 after the fall of the Hojo. Another legend associates the castle with the Yamana clan (related to Yamana Sozen) who supposedly held the castle for eight generations. There is no historical evidence to support this but it could be possible that they held it in the years before the Kibe.

It is interesting to note that Yamana Castle is much more developed than Terao Naka Castle with multiple layers of baileys and trenches, structures more typical of later Sengoku Period castles. This shows that it was probably renovated around the same time that Negoya Castle was built and shows similarities in structure that you don't see at Terao Naka Castle or Terao Kami Castle.

Visit Notes

Yamana Castle was the first stop of a 15km hike that included Negoya Castle, Terao Chausuyama Castle and Terao Naka Castle. Part of the hike goes along the Takasaki Nature Trail which is a very nicely groomed hiking trail. I wouldn't mind hiking more of that trail I had a chance to.

Yamana Castle was a really interesting site. First, on the way to the castle you'll find a well preserved kofun that you can climb inside. Outside the kofun is the Yamanoue Stela, one of only 18 surviving stelae from the Asuka/Nara Period. 3 of these are in Gunma around Takasaki, making them a source of pride for the area. There is even a local free bus that visits them all several times a day on the weekends. On this day, I only visited this one, but for for more information visit this site: https://www.city.takasaki.gunma.jp/info/sanpi/en/01.html

There are no good maps or signs on the castle site but if you know your way around mountain castles and have some diagram or map with you, you can take some time to explore the site. Most people will follow the trail to the main bailey and go home (I talked with one such person), but to find the really interesting parts you need to go off trail and scramble around the brush and fallen trees and through some horikiri to find the rest of the much more interesting parts of this castle

The Kibe Clan had a Fortified Manor 2.5km to the east of here, but nothing remains of the castle today so I skipped it on this stop.

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  • Yamana Castle from a distance
  • Kofun
  • Yamanoue Stela

Castle Profile
English Name Yamana Castle
Japanese Name 山名城
Alternate Names Teraoshimo-jo, Mae-jo, Teraomae-jp
Founder Yukiyoshi Shinno
Year Founded 1395
Castle Type Mountaintop
Castle Condition Ruins only
Designations Local Historic Site
Historical Period Pre Edo Period
Features trenches
Visitor Information
Access Nishi Yamana Sta (Joshin Dentetsu), 20 min walk
Visitor Information mountain trail, open 24/7
Time Required 60 mins
Website http://www.city.takasaki.gunma.jp/docs/2013121700542/
Location Takasaki, Gunma Prefecture
Coordinates 36° 16' 44.33" N, 139° 1' 46.60" E
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Added to Jcastle 2020
Contributor Eric
Admin Year Visited 2020
Admin Visits February 11, 2020
Friends of JCastle
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