Ogasawara clan castle sites
| The Ogasawara clan castle sites (小笠原氏城跡, Ogasawara-shi jō-seki) were a number Sengoku period yamashiro-style Japanese castles located in what is now part of the city of Matsumoto, Nagano prefecture. These fortifications were built in the Muromachi period by the Ogasawara clan, who ruled the area at the time. Two of the castle ruins, that of Igawa Castle and Hayashi Castle, have been protected collectively as a National Historic Sites since 2017.[1] | ||||||
| Type： yamashiro-style Japanese castles | ||||||
| Builder： Ogasawara clan | ||||||
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