Three mysterious holes in the ground in Jeju City. According to legends from these holes came semigods – founders of the ancient Tamna state on Jeju island. In the 16th century here were built walls and altar.
| Location, GPS coordinates: | 33.5043 N 126.5291 E |
| Categories: | Prehistoric and ancient shrines |
| Values: | Archaeology, Visual |
| Rating: |  (3 / 5) |
| Where is located? | Asia, South Korea, Jeju Island, Jeju City, Idoil-dong, Samseong-ro 22 |
