Seoul Sky (Lotte World Tower)
Jamsil
500m tower · highest deck in Seoul Open until ~10 PM
Korea's tallest building. Observation deck on floors 117 to 123. Glass floor on 118. Reserve online for skip-the-line.
Sunset slot fills up. Book a 30-minute-before-sunset entry; you get the city by day, dusk, and night in one visit.
Category Viewpoint
Area Jamsil (잠실)
Hours 10:30 AM to 10 PM