Hours, directions, entrances and the best time to arrive
Seoul Sky Observatory is the public observation experience inside Lotte World Tower, best known for its record-setting glass floor and the 60-second Sky Shuttle ride to the top. The visit feels smooth once you’re upstairs, but the real friction happens before the elevator — especially around sunset, when basement queues can eat into your time. Air quality matters more here than at most city decks, and the best visit usually comes from choosing the right slot, not just the right ticket. This guide covers timing, entrances, tickets, and how to avoid the slowest parts of the experience.
If you only make 5 decisions before you go, make these.
🎟️ Sunset slots for Seoul Sky Observatory can sell out 24–48 hours in advance during weekends, holidays, and peak foliage season. Lock in your visit before the time you want is gone. See ticket options
Hours, directions, entrances and the best time to arrive
Visit lengths, suggested routes and how to plan around your time
Compare all entry options, tours and special experiences
How the deck is laid out and the route that makes most sense
Han River, Seokchon Lake, and Seoul’s skyline
Restrooms, lockers, accessibility details and family services
Seoul Sky is in Jamsil, inside Lotte World Tower in Songpa-gu, directly connected to Jamsil Station and about 12–13km south-east of central Seoul.
300 Olympic-ro, Songpa-gu, Seoul, South Korea
→ Open in Google Maps (Google Maps: Seoul Sky Observatory)
Full getting there guide
Seoul Sky uses one main access point in the B1 lobby, but the lines split by how you’re entering — and most delays happen before the elevator, not at the top.
Full entrances guide
When is it busiest?
Friday evenings, weekends, public holidays, and spring blossom or October foliage periods are the heaviest, with the 5pm–7pm sunset queue creating the biggest waits in B1 and B2.
When should you actually go?
Book the first or second morning slot on a clear weekday if views matter most, because you’ll get better visibility, faster boarding, and more space on the glass deck before the photo lines build.
| Visit type | Route | Duration | Walking distance | What you get |
|---|---|---|---|---|
Highlights only | B1 entry → Sky Shuttle → 117th floor Sky Show → 118th floor Sky Deck → 120th floor Sky Terrace → exit | 1.5–2 hrs | ~0.6km | You get the essential ride, the glass floor, and the outdoor deck, but you’ll likely skip the cafes, shop, and any relaxed time once crowds build. |
Balanced visit | B1 media zone → 117th floor → 118th floor → 120th floor → 121st floor shop → 122nd floor viewing and cafe → exit | 2–2.5 hrs | ~0.9km | This adds time to actually move between levels without rushing, and it’s the best fit if you want the main views without paying for dining or Sky Bridge extras. |
Full exploration | B1 media zone → all public viewing floors → 123 Lounge or Sky Bridge session → extended sunset stay → exit | 3–4 hrs | ~1.2km | This is the complete version, but it only works if you’ve booked the relevant add-on in advance and have the patience for longer queues at both sunset and descent. |
| Ticket type | What's included | Best for | Price range |
|---|---|---|---|
General Admission | Entry to floors 117–122 | A straightforward visit where you want the core deck experience and are flexible on timing | From ₩33,000 |
Fast Pass | Priority entry route + observatory access | A sunset or weekend visit where your main goal is cutting the ticket-office line and getting upstairs faster | From ₩62,000 |
Sky Bridge Tour | Observatory entry + Sky Bridge walk + safety gear + 2 photos | A return visit or thrill-focused trip where the view alone isn’t enough and you want the most extreme add-on | From ₩120,000 |
123 Special Package | Observatory entry + reserved seating at 123 Lounge + meal | A date-night or special-occasion visit where guaranteed seating matters more than spending the least | From ₩65,000 |
Seoul Sky + Lotte Aquarium Combo | Admission to both attractions | A full Jamsil day where you want better value than buying two separate same-day tickets | From ~₩55,000 |
Seoul Sky is a vertical attraction spread across floors 117–123, and most people can cover the main public areas in 1.5–2 hours. The first big focal point after the elevator is the 117th-floor arrival area, but the 118th-floor glass deck pulls most of the crowd forward fast.
Suggested route: Start by taking in the 117th-floor arrival views before heading to the 118th-floor glass deck, then move up to the 120th-floor terrace while the weather is good, and leave the 121st–122nd floors for last when the main photo crowd is thickest below.
💡 Pro tip: If you’re going at sunset, don’t stop too long in the first photo zone you see — do the 120th-floor terrace first if it’s open, because weather closures and crowd flow make that the easiest deck to miss later.
Get the Seoul Sky Observatory map / audio guide






View type: River panorama
The Han River is the view most visitors naturally gravitate toward, and from this height you can read the city through its bridges, bends, and broad east-west sweep. Slow down long enough to trace the river rather than just photographing it — the scale is what makes this perspective different from lower decks. Most people miss how dramatic the bridge lights become as daylight fades.
Where to find it: North and north-west facing windows, especially from the 118th floor and 120th-floor terrace.
View type: Urban landmark cluster
Looking down at Seokchon Lake and the Lotte World complex helps you understand just how high you are, because the amusement park and lake read almost like a model from above. This is one of the easiest places to appreciate the contrast between Seoul’s dense city fabric and its carefully planned leisure district. Many visitors rush past it on their way to the glass floor.
Where to find it: East and south-east facing windows on the 117th and 118th floors.
View type: City skyline
This is the classic Seoul-wide view: dense neighborhoods, clusters of towers, and N Seoul Tower rising from Namsan in the middle distance. It’s strongest on a clear day, and it’s the first place haze shows up when visibility is poor, which is why checking fine-dust conditions matters before you book. Most visitors photograph the nearest high-rises and miss the layered skyline beyond.
Where to find it: West-facing windows from floors 118–120.
View type: Mountain horizon
One of the best surprises here is how clearly Seoul’s mountains frame the city when the air is clean. The skyline feels bigger and more legible once you notice the ridgelines beyond it, especially in autumn and winter when visibility is better. Visitors often overlook this because they’re focused on what’s directly below the tower.
Where to find it: North and north-east facing windows, especially from the 120th-floor terrace on clear mornings.
View type: District overview
This view is less famous than the river, but it helps you read the broader east Seoul layout, including large green spaces and the scale of the Songpa area around the tower. It’s worth pausing here if you’re curious how the city opens up beyond the central core. Many people skip it because the crowd naturally collects on the north-facing side.
Where to find it: East and south-east windows on the upper public levels.
View type: Night panorama
At night, the deck shifts from a long-distance viewpoint to a pattern of roads, bridge lights, towers, and moving traffic. It’s less about pinpointing landmarks and more about the full urban glow, which is why many visitors prefer the evening even if daytime visibility is stronger. What people often miss is that reflections on the glass get worse later, so window positioning matters.
Where to find it: Best across all sides after sunset, with the clearest reflections usually from less crowded windows on 121st–122nd floors.
Seoul Sky works well for children who enjoy elevators, lights, and high-up views, but younger kids usually engage most with the ride up and the glass floor rather than the full visit.
Photography is allowed for personal use, and this is very much a photo-led attraction. The main restriction is equipment rather than casual shooting: tripods and professional-sized recording setups are prohibited, and large bags carrying them will be flagged at security. If you want the cleanest shots, use quieter windows on the upper public floors, because the 118th-floor glass deck is the most crowded and reflective.
Lotte World Aquarium
Distance: Same complex — 5–10 min walk indoors
Why people combine them: It turns Jamsil into a full half-day or full-day plan, and the pace contrast works well — aquarium first, skyline second.
Book / Learn more
✨ Seoul Sky Observatory and Lotte World Aquarium are most commonly visited together — and simplest to do on a combo ticket. The combo is usually better value than buying both separately and keeps your day in one connected complex. → See combo options
Seokchon Lake
Distance: About 400m — 5–7 min walk
Why people combine them: It’s the easiest ground-level follow-up after the tower, especially if you want cherry blossoms in spring or a softer evening walk after a vertical, indoor-heavy visit.
Book / Learn more
Lotte World Adventure
Distance: Same complex — 8–10 min walk indoors
Worth knowing: It’s the strongest nearby add-on if you want a full entertainment day, but it only works well if you’re starting early rather than squeezing it in after sunset.
Olympic Park
Distance: About 2.5km — 10–15 min by taxi or 30–35 min on foot
Worth knowing: It’s a better quiet reset than another mall stop, especially if you want open space after the enclosed queue-and-elevator rhythm of Seoul Sky.
Jamsil is a convenient base if Seoul Sky Observatory, Lotte World, the aquarium, or events in east Seoul are the reason you’re here. It’s polished, easy to navigate, and well connected by Line 2, but it doesn’t feel as central for most first-time Seoul itineraries as Myeongdong, Hongdae, or Euljiro. Stay here if you want minimal logistics around the tower; choose elsewhere if skyline access is only one item on a broader city trip.
Most visits take 1.5–2 hours, though you should allow 3–4 hours if you’re visiting at sunset, dining at 123 Lounge, or doing the Sky Bridge. The deck itself is not hard to cover, but the real time loss comes from the B1–B2 pre-lift queue and the elevator wait to come back down.
Yes, you should book ahead for sunset, weekends, holidays, and any Sky Bridge or 123 Lounge plan. Weekday morning slots are usually easier to get close in, but the most popular sunset windows can sell out 24–48 hours ahead in peak seasons like spring blossom time and October.
Yes, it’s worth it when standard waits are already building, especially from 4pm–7pm. Fast Pass saves the ticket-office step, but it does not remove security or elevator boarding waits, so it’s best thought of as priority entry rather than instant access.
Arrive 20–30 minutes early for a standard visit, and closer to 30 minutes if you’re going at sunset or on a holiday. That gives you enough time for QR scanning, locker use, and security without starting the visit stressed.
Yes, but keep it small. Large bags, suitcases, and anything over about 20 inches will be stopped at security, and the easiest workaround is using the free 3-hour lockers next to the B1 ticket booth before you enter.
Yes, personal photography is allowed, and most visitors spend a lot of their time taking pictures. The main restriction is gear: tripods and large professional filming setups are not allowed, and crowded glass-deck windows are often worse for clean shots than quieter upper-floor panes.
Yes, groups can visit, but sunset is the hardest time to keep a group moving smoothly. If you have dinner plans afterward, build in extra exit time, because the descent elevator queue alone can take 15–20 minutes during the busiest window.
Yes, it works well for families, especially for children who like lights, elevators, and dramatic views. The main catch is logistics: strollers are not allowed on the observatory floors, so families need to handle stroller drop-off at B1 and often do better with a carrier.
Yes, the route is largely elevator-based and accessible for wheelchair users. The main limitation is crowd density rather than stairs, with the tightest movement around the pre-lift queue and the 118th-floor glass deck photo area.
Yes, there are food and drink options both inside the observatory and throughout Lotte World Mall. Inside, the practical choices are the 119th-floor Sky Friends Cafe, the 122nd-floor Seoul Sky Cafe, and the 123 Lounge for a reservation-led meal.
Clear weekday mornings in autumn and winter usually give you the best visibility. Spring is one of the busiest seasons, but it also brings fine dust and haze, so a beautiful day on the ground doesn’t always mean the long-distance skyline will be sharp from the deck.
No, strollers are not allowed on the observatory floors. Families need to leave them at the B1 information area and, if needed, rent a baby carrier for ₩3,000 before joining the line.







Sky-high views from Seoul’s tallest landmark, with thrilling glass-floor experiences
Inclusions #
Entry to Lotte World Tower Seoul Sky Observatory
Access to Sky Deck, Sky Terrace & Sky Shuttle
Access to Folk Museum (as per option selected)
Access to Magic Island (as per option selected)
Access to Lotte World Adventure (as per option selected)
Access to Lottle World Aquarium (as per option selected)
AREX one-way ticket Incheon Airport ↔ Seoul Station (as per option selected)








Additional information
Lotte World and Aquarium
Seoul Sky Observatory
Inclusions #
Lotte World and Aquarium
Entry to Lotte World Adventure
Entry to Magic Island
Entry to Folk Museum
Entry to Lotte World Aquarium
Seoul Sky Observatory
Exclusions #
Lotte World and Aquarium








Inclusions #
One-day entry to Lotte World
Access to outdoor Magic Island
Access to indoor Lotte World Adventure
Access to Folk Museum
Access to Seoul Sky Observatory
Exclusions #






Day-to-night skyline views from Seoul’s most iconic vantage point
Inclusions #
N Seoul Tower Observation Deck Admission
One-way transfer from Incheon Airport ↔ Seoul Station (as per option selected)
Exclusions #
Food & drinks
Audio Guide (Additional Charge)





Save 5% with this Seoul combo—city views from N Seoul Tower & VIP seats to the hilarious NANTA show.
Inclusions #
N Seoul Tower
NANTA Musical Show (Myeongdong)
Exclusions #
N Seoul Tower