Seven kilometres long system of caves with beautiful speleothems, opened for tourists.
| Location, GPS coordinates: | 39.5900 N 125.82829 E |
| Categories: | Caves |
| Values: | Geology, Visual |
| Rating: |  (3 / 5) |
| Where is located? | Asia, North Korea, South Pyongan, Kaech’ŏn-si, Sonam-dong |
