Yongduam Rock at 15 Yongduam-gil, Jeju City, is a coastal viewpoint near the international airport. The official VisitJeju detail distinguishes free public viewing from free cultural-guided commentary. Listed starting times are 10:30, 13:30, 14:30 and 15:30, each lasting about 15–30 minutes. Request a place by calling 064-728-3918 or at the information point; the listing gives enquiry hours 10:00–16:00. Guided services pause on Lunar New Year and Chuseok days. Guides' availability and session times may change, so call before travel. Parking charges are not verified; stay within safety barriers near waves and cliffs.