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Osaka · Japan

Sanada Maru: what's nearby, how to get there and when to go · 2026

The Sanada Maru was a small fortification attached to Osaka castle. It is famous for being impregnable and playing a key role in defending the castle in the winter of 1615.

Sanada Maru · CC BY-SA 4.0

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2 sources · As of November 4, 2026
Source: TravelHub · OurAirports (public domain)