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Our guide
Katsunoo Castle was a mountain castle of the Muromachi to Sengoku periods in the city of Tosu, Saga. Its ruins became a National Historic Site in 2006, and in 2010 the designation was extended as the Katsunoo Castle Tsukushi Clan Ruins, taking in Oniga, Takatori, Katsurago and Kagami castles, the Wakayama fort, the clan's main residence, retainers' houses, temples and shrines, and townhouses.
We have not checked the paths or a public-transport route, so look for local information before you go.
Written by japan-spots.com (2026-09-22) from the sources credited on this page. Distances are straight lines between map positions.
Photos
Photos from Wikimedia Commons, each under its own licence — see credits
- Vassals residences ruin of Tsuzura Castle — Peka · CC BY-SA 4.0 · source · resized
- Tsuzura Castle moat — Peka · CC BY-SA 4.0 · source · resized
- Entrance of Chikushi Family Residence Ruin — Peka · CC BY-SA 4.0 · source · resized
- Joyama Katsunoo Castle and Fort seen from the foot — Peka · CC BY-SA 4.0 · source · resized
- Gosha Daimyojin in Ushiwaramachi, Tosu — Peka · CC BY-SA 4.0 · source · resized
What this place is
Katsunoo Castle (勝尾城, Katsuno'o-jō) was a Muromachi to Sengoku period yamajiro-style Japanese castle located in the city of Tosu, Saga Prefecture, Japan. Its ruins have been protected as a National Historic Site since 2006, with the designation expanded in 2010 to become the collective designation Katsuno'o Castle Tsukushi clan ruins (勝尾城筑紫氏遺跡, Katsuno-jō Tsukushi-shi iseki), which includes the ruins of Oniga Castle (鬼ヶ城), Takatori Castle (高取城), Katsurago Castle (葛籠城), Kagami Castle (鏡城), Wakayama Fort (若山砦等), the remains of the clan's head residence, the remains of the vassals' houses, the remains of temples and shrines, and the remains of town houses.
Background text from Wikipedia (CC BY-SA 4.0)
What to expect at this type of place: Castle
Getting there
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