Gusan Seonangdang Shrine is a historical site located in Seongsan-myeon, Gangneung-si, Gangwon-do. Every year on the 15th day of the 4th lunar month, after the Daegwallyeong Guksa Seonghwangje (State Preceptor City Deity Ritual) is completed, the ritual procession stops here briefly to perform an exorcism (gut) and ancestral rites before proceeding to the Daegwallyeong Guksa Yeoseonghwangsa Shrine.

It is said that Gusan Seonangdang has existed for about 300 years. The current shrine building was newly constructed about 10 years ago and is surrounded by a stone wall. A unique feature of Gusan Seonangdang is that it enshrines the Yeongsan Jisin (Deity of the Sacred Mountain) in addition to the Seonghwang Jisin, Toji Sisin, and Yeoyeok Jisin found in other shrines. The reason Yeongsan Jisin is present is that the deity's original home on the nearby Yeongsindae hill was lost due to development, leading the deity to be enshrined here together.

Gusan Seonangdang previously faced significant inconvenience during the Gusan Seonangje ritual due to cramped surroundings and a lack of access roads. Consequently, the city of Gangneung purchased 1,213㎡ of land around the shrine to create a park and parking spaces, establishing a foundation for the transmission of the Danoje festival. This initiative also allows tourists to enjoy the Dano heritage year-round, contributing to the revitalization of local tourism. As a result, visitors can now conveniently explore Gusan Seonangdang in all seasons.