Yogaisan Castle

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Yogaisan3.jpg

History

Built in 1520 by Takeda Nobutora. This site served as a regional centre for the Takeda clan and also as a mountain stronghold for Tsutsujigasaki Palace. Yogaisan Castle is a vast mountain castle also protected by Kuma Castle to the south-east. After the demise of the Takeda, the castle briefly came under control of the Tokugawa until it was given over to Kato Mitsuyasu by Toyotomi Hideyoshi. The stone wall remnants you see today are believed to be form this time period. After the Battle of Sekigahara (1600), the Kai Region once again fell under Tokugawa control and the castle was abandoned.


Visit Notes

Most sources tell you to take a bus from the station but there are only a few busses per day and the timings aren't good for hiking the castle. Some also say you can walk from the Tsutsujigasaki Palace but that would be a long uphill walk on paved roads just to get to the Sekisuiji Onsen. I took a taxi (1800 yen) to the onsen from the station. I hiked the castle and walked back to the Tsutsujigasaki Palace and then took the tourist bus from here to Kofu Station and Kofu Castle. This seemed to be a very efficient and effective way of visiting these sites. actually I went down via Kuma Castle from Yogaisan Castle too, but that's a treacherous path I can't recommend for everyone.

It seems there is some confusion how easy it is to climb and how interesting the site it. Personally I thought it was absolutely outstanding. The mountain ridge is bailey after bailey. Each is well defined with nice ruins of gates and entrances and a lot more stonework than you typically find around this area. There are also several trenches you can easily see. From the Sekisuiji Onsen it's a steep but short climb up several switchbacks. It's not a jogging trail but there may be some trail runners who use it. Once you get to the ruins, the rest is easy. A lot of the trees have been thinned out but that also means there are lots of weeds, especially in the summer, so I would recommend visiting in late fall or early spring after the snows melt.
甲府駅からバスで積翠寺温泉まで行けるとよく書いてありますが本数が少ないのでよく調べて行ってください。私は1800円のタクシーで行って、躑躅ヶ崎館経由で歩いて帰りました。要害山城は思ったよりかなり面白かったです。尾根に沿って次々と曲輪が出てきます。それぞれに虎口、石積み、土塁などの遺構がよく残っているので、とても見ごたえがあります。熊城を経て下山するのも楽しいけれど道がわかりにくいし尾根道も結構険しい箇所があるので気をつけてください。


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Gallery
  • Stonework near the entrance
  • Small bailey overlooking a road
  • Stonework and gate
  • inside the gate
  • Fudo Bailey
  • Stone walls and gate
  • Bailey
  • Entranceway
  • horikiri and stonework
  • Stonework of the horikiri
  • Stonework on the right side
  • Stonework on the right side
  • stonework of the horikiri
  • Bailey entrance
  • Bailey
  • Bailey
  • Stonework and entrance of the Main Bailey
  • Stonework of the entrance
  • Entrance to the Main Bailey
  • Main Bailey
  • Main Bailey entrance
  • Main bailey stone walls
  • Horikiri trench
  • Stonework lined horikiri trench
  • Narrow "earthen bridge"
  • Narrow bailey
  • Bailey Entrance
  • Stonework
  • Stonework
  • Tatebori trenches
  • Map
  • Map


Castle Profile
English Name Yogaisan Castle
Japanese Name 要害山城
Alternate Names Yogaiyama-jo, Yogai-jo, Yogaizan-jo, Sekisuiji-jo, Maruyama-no-shiro
Founder Takeda Nobutora
Year Founded 1520
Castle Type Mountaintop
Castle Condition Ruins only
Designations Next 100 Castles, Top 100 Mountaintop Castles, National Historic Site
Historical Period Pre Edo Period
Features trenches, stone walls
Visitor Information
Access Kofu Sta. (Chou Main line), 20 min bus to Sekisuiji Onsen
Visitor Information Mountain trails, open any time. Start from the Sekisuiji Hot Spring.
Time Required 120-150 mins
Website http://www.yamanashi-kankou.jp/kankou/spot/p1 4641.html
Location Kofu, Yamanashi Prefecture
Coordinates 35° 42' 11.38" N, 138° 35' 53.77" E
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Admin
Added to Jcastle 2012
Contributor Eric
Admin Year Visited 2017
Admin Visits March 18, 2017


3.00
(3 votes)
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ARTShogun

7 months ago
Score 1++
Epic! Brilliant! Amazing! But probably not for novices. Some knowledge of yamajiro is required to appreciate this wonderful castle ruin. I spent a few hours here.