First built during the Koguryo period, it was rebuilt in 1675.
The one room building is supported by a single copper pole.
The structure is in the middle of a 20-metre-high cliff, leaning against the rock in front of the Podok Grotto.
[1] Since the hermitage's construction in 627, solitary Buddhist monks lived in the structure, looking down at the valley through a hole in the floor.
[2] This hermitage was depicted by many Korean painters.