Olleh gil is the walkway that circumnavigates the island. You can walk almost all over the island using Olleh gil. This gives a great view of the Jeju coastline and countryside.
“Cheonjiyeon Waterfall is a waterfall on Jeju Island, South Korea. Literally, the name Cheonjiyeon means sky connected with land. It is one of the main tourist attractions on Jeju-do. It's especially beautful at night.”