본래 진안군 남면 지역으로, 섬진강(蟾津江)의 최상류의 산중에서 암석이 많은 곳이라 하여 신암이라 하였다.
Originally located in Nam-myeon, Jinan-gun, it was called Sinam because it was said to be a place with many rocks in the uppermost mountain of Seomjingang River.