5.16 Forest Tunnel

Located on the 5.16 Road, Jeju's first national highway connecting Jeju City and Seogwipo, this forest tunnel features evergreen and deciduous trees forming an arch over the road. Stretching for approximately 1.2km starting from the 2.6km mark toward Seogwipo from the Hallasan Seongpanak Rest Area, this section allows you to enjoy a drive while taking in the changing mountain tunnel scenery throughout the four seasons.