Nanao-jo Castle was impregnable but far from the seaport towns, so he gave it up and surveyed a small mountain from which he could overlook the port and constructed Komaruyama-jo Castle (Nanao City) there.
翌年難攻不落ながら港湾部の町から離れた七尾城を廃城、港を臨む小山を縄張りして小丸山城（七尾市）を築城した。