We offer tours to Iwamura Castle Ruins from Nagoya and other places. If you are interested in our tour guide programs, please contact us from this form. Iwamura Castle Ruins The beginning of the castle dates back to approximately 800 years ago when the Samurai warriors assumed political power in the country. It is said that the impregnable stonewalls on the hill top, which made the castle protective, was constructed around 450 years ago during the Sengoku period. Iwamura Castle is believed to be invulnerable with its natural fort utilizing the steep terrain and the robust stonewalls. It is one of Japan’s three major mountain castles, and is located at the … Continue reading Iwamura Castle Ruins tour