Tenjinyama Joushi (Tenjinyama Castle ruins)

Address

Iwamuro Onsen, Nishikan-ku, Niigata City

Tenjinyama Castle was a mountain castle which was last owned by Saneyori Ookuni, the younger brother of Kanetsugu Naoe, whose story was the main focus of the TV drama, “Tenchijin”. Ruins of this castle from the Middle Ages still remain today, including the now dry moat, and a gourd-shaped pond.