봉서암은 1885년 승려 임광세가 창건하여 법등을 이어 오다가 일제강점기인 1921년경 승려 윤인선이 개수하여 관리하였다.
Bongseoam Hermitage was founded in 1885 by the monk Im Gwang-se, and he continued to spread Buddhism, and around 1921, during the Japanese colonial period, it was renovated and managed by monk Yun In-seon.