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Koka Ninja House: Uncover the Secrets of the Ninja

Explore a historic ninja residence with hidden passages, secret doors & ancient defense mechanisms in Koka, Shiga Prefecture.

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The Koka Ninja House, located in Koka, Shiga Prefecture, is one of Japan's last remaining ninja residences open to the public. Built during the Edo period, this historic home belonged to the Mochizuki family, leaders of the Koka ninja clan. Explore hidden passages, trap doors, and ingenious defense mechanisms while learning about the life of a ninja.

A brief summary to Koka Ninja House

Local tips

  • Wear comfortable shoes, as you'll be doing a fair amount of walking and exploring the house's features.
  • Try the shuriken throwing activity for a hands-on ninja experience (additional fee applies).
  • Check the opening hours and closed days (Wednesdays and the 4th Thursday of each month) before visiting.
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Getting There

  • Public Transport

    From Kyoto Station, take the JR Biwako Line to Kusatsu Station, then transfer to the JR Kusatsu Line and alight at Konan Station. From Konan Station, the Koka Ninja House is a 20-minute walk south. Alternatively, a taxi from Konan Station will cost approximately ¥800-¥1000.

  • Car

    The Koka Ninja House is a 3-minute drive from the Konan Interchange (IC) on the Shin-Meishin Expressway. Follow the signs from the IC to the Ninja House. Free parking is available.

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Discover more about Koka Ninja House

Step back in time at the Koka Ninja House, a well-preserved residence that once belonged to the Mochizuki family, heads of the Koka ninja clan. Constructed during the Edo period (1603-1867), the house showcases the innovative techniques employed by ninjas for defense and espionage. Explore the seemingly ordinary exterior, which conceals a network of secret tunnels, hidden staircases, and concealed doors. These features provided ninjas with escape routes and strategic advantages against intruders. Visitors can discover the various trapdoors and secret passages that were essential to the ninja's way of life. Learn about the Koka ninja's history, their unique combat techniques, and their resourceful use of specialized weapons and tools. You can even test your skills at the shuriken throwing range. After your exploration, enjoy a cup of herbal ninja tea, a traditional drink made from an ancient recipe. The Koka Ninja House offers a glimpse into the fascinating world of these legendary shadow warriors.

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