It is in Haeson-ri 6 km north of Kaesong City.
It is the mausoleum of King Wang Kon (877-943) who was the founder of Koryo, the first unified state in Korea. It was rebuilt on January 31, Juche 83 (1994) on the occasion of his 1 117th birthday.
Occupying an area of 55 000m², it is one of the World Heritage Sites. There are the tomb of King Wang Kon, his portrait, stone sculptures depicting civilian officials and military officials famous for their wisdom and courage, fine art pieces showing the struggle of Koryo people, a gate to the mausoleum and hall for memorial services embodying the architectural skill at that time.
In front of the gate stands a monument bearing the handwriting of President Kim Il Sung which reads “Monument to the Reconstruction of the Mausoleum of King Wang Kon, Founder of Koryo”. Visitors can go into the mausoleum and see its interior and mural paintings. There is a large park in front of the mausoleum.