Overview
A roughly 1.2 km stretch of Jeju's first national road, linking Jeju City and Seogwipo near Seongpanak, where arching evergreen and deciduous trees form a forest tunnel through the four seasons.

Route 5.16 Forest Tunnel
A roughly 1.2 km stretch of Jeju's first national road, linking Jeju City and Seogwipo near Seongpanak, where arching evergreen and deciduous trees form a forest tunnel through the four seasons.