Kōra-san kōgoshi (高良山神籠石) was an ancient castle (also known as a Korean-style fortresses in Japan (朝鮮式山城, Chōsen-shiki yamajiro) located in the Mii neighborhood
to be found, at 2.3 km in length, lies near the summit of Mount Kōra (ja:高良山), near Fukuoka. The stones there are roughly one meter long, 50 cm high and
Japanese). pp. 423~428. Retrieved 11 May 2024. Yoshinaga 1977, pp. 198~200. 久留米高良山合戦 久留米市史 第6巻 [Kurume city history; Vol.6] (in Japanese). Kurume City History