Seoul has no shortage of famous viewpoints.
N Seoul Tower is iconic. Seoul Sky at Lotte World Tower takes you hundreds of meters above the city. Rooftop cafés appear everywhere.
But one of the most interesting new ways to see central Seoul at night in 2026 costs nothing.
Starting in September, Seoul expanded nighttime access to three public observation spaces around City Hall:
Haneul Observatory (하늘전망대)
Haneultteul (하늘뜰)
Jeongdong Observatory (정동전망대)
Instead of looking down from a skyscraper hundreds of meters above the ground, these viewpoints put you close enough to actually recognize what you’re seeing: Deoksugung Palace, Seoul Plaza, Jeongdong and the historic center surrounded by modern office towers.
And for foreign travelers, they’re still surprisingly under the radar.
Here’s how to visit them.
Why These Viewpoints Are Different
These aren’t really competitors to Seoul Sky.
The appeal is completely different.
From a very high observation deck, Seoul becomes an enormous carpet of buildings.
From the City Hall viewpoints, you’re close enough to distinguish palace roofs, streets, churches and individual buildings.
At sunset, you can watch traditional palace architecture below while the modern city begins lighting up around it.
That’s the view I find more interesting.
1. Jeongdong Observatory — Best Overall View
Korean: 정동전망대
Location: Seosomun Building 1, 13th floor
서울시 중구 덕수궁길 15
Nearest subway: City Hall Station
If you only visit one of the three viewpoints, make it this one.
Jeongdong Observatory looks directly over Deoksugung Palace and the historic Jeongdong area.
Traditional palace roofs sit below you while modern Seoul rises behind them.
It is especially good around sunset.
Jeongdong Observatory Opening Hours
As of September 2026, Seoul lists:
Monday–Thursday: 1:30 PM–5:30 PM
Friday: 1:30 PM–10:00 PM
Saturday: 9:00 AM–10:00 PM
During the winter period from November through February, Friday and Saturday nighttime operation is scheduled to end at 9:00 PM.
Admission: Free.
The observatory does not require a reservation for ordinary individual visits.
Because schedules can change for city events or operational reasons, check the official information on the day you visit.
The Observatory Is Much Bigger Now
Jeongdong Observatory used to be a relatively small space.
After renovation, Seoul expanded it from 117 square meters to 322 square meters — about 2.8 times its previous size.
The seating has also been rearranged toward the windows.
That makes it much more practical as an actual stop rather than somewhere you walk into, take one photo and immediately leave.
There’s a Café Too
Another advantage is Cafe Darak (카페다락).
You can sit near the view rather than simply standing at a window.
Seoul says the café and observation areas have been separated to make the space more comfortable, and nighttime-specific menu items are also being offered during the extended opening period.
Don’t come expecting a luxury rooftop bar.
That’s not the point.
The appeal is being able to sit above Deoksugung for very little money while enjoying a view many tourists don’t know exists.
2. Haneul Observatory — Best Modern City View
Korean: 하늘전망대
Location: Seoul City Hall, 9th floor
Nearest subway: City Hall Station, Lines 1 & 2
Haneul Observatory is inside Seoul’s modern City Hall building.
If Jeongdong Observatory is primarily about the palace and historic district, Haneul Observatory feels more like a view of central contemporary Seoul.
The observatory opened earlier in 2026 and has now become part of Seoul’s expanded nighttime viewing program.
On nighttime-opening days, it works particularly well as part of a City Hall evening rather than as a standalone destination.
Don’t Miss the Building Itself
Even before reaching the observatory, the modern Seoul City Hall building is interesting.
Its huge curved glass façade sits immediately behind the former City Hall building, which now houses the Seoul Metropolitan Library.
The juxtaposition is very Seoul:
historic architecture in front, enormous contemporary glass structure behind.
Inside, Seoul City Hall also contains a large vertical garden and public spaces.
3. Haneultteul — Best Outdoor Rooftop Feeling
Korean: 하늘뜰
Location: Seoul Metropolitan Library, 5th-floor rooftop garden
This one is different again.
Haneultteul is an outdoor rooftop garden on the old City Hall building, now Seoul Metropolitan Library.
Instead of viewing Seoul through glass, you can step outside and look toward:
- Seoul Plaza
- Sejong-daero
- surrounding central Seoul buildings
The rooftop landscaping and lighting have also been improved as part of the expanded program.
Haneultteul Opening Hours
Seoul currently lists:
Tuesday–Friday: 9:00 AM–9:00 PM
Saturday–Sunday: 9:00 AM–6:00 PM
It is closed on the library’s closing days and public holidays.
Haneultteul normally operates March through November and closes during the winter months from December through February.
Because it is outdoors, operations are more susceptible to weather and other conditions than an indoor observatory.
Which of the Three Should You Choose?
If you don’t have time for all three:
Best palace view
Jeongdong Observatory
Best City Hall experience
Haneul Observatory
Best outdoor atmosphere
Haneultteul
If you’re visiting on a Friday and have plenty of time, you can reasonably combine them because they are all in the same general area.
The Best Time to Visit
I would aim for 30–45 minutes before sunset.
That lets you see three versions of Seoul:
- daylight,
- sunset/blue hour,
- night.
This is particularly effective from Jeongdong Observatory because the palace changes dramatically as daylight fades and the city lights come on.
Check Seoul’s sunset time on the day of your visit rather than relying on a fixed time.
Combine It with Deoksugung Palace
This is what turns the viewpoint into a genuinely good travel itinerary.
Don’t come to City Hall, ride an elevator, take a photo and leave.
Start at Deoksugung Palace (덕수궁).
It’s one of Seoul’s five major royal palaces and is particularly convenient because it sits immediately beside City Hall.
After visiting the palace, walk along:
덕수궁 돌담길
Deoksugung Stone Wall Road
Then continue into Jeongdong.
In autumn, the trees around the palace wall make this one of central Seoul’s nicest walks.
Finish at Jeongdong Observatory as the sun goes down.
A Great 4-Hour Central Seoul Evening
Here’s how I would actually do it.
4:30 PM — Deoksugung Palace
Explore the palace before sunset.
5:45 PM — Deoksugung Stone Wall Road
Walk slowly through Jeongdong.
Around sunset — Jeongdong Observatory
See the palace from above.
7:00 PM — City Hall
Walk back toward Seoul Plaza.
7:30 PM — Dinner
Choose City Hall, Euljiro or Myeongdong.
9:00 PM — Cheonggyecheon
Finish with an evening walk along the stream.
This route gives you traditional Seoul, modern Seoul and nighttime Seoul without wasting time crossing the city.
New in 2026: City Hall Night Tours
There is another reason this area is more interesting this year.
Starting September 18, 2026, Seoul is introducing a guided nighttime version of its City Hall tour.
The Night Tong-Tong Tour (야간 통통투어) runs on Fridays and Saturdays from:
7:30 PM–8:30 PM
The approximately one-hour program includes City Hall’s history, the vertical garden and exhibition spaces before finishing with nighttime views from the observation areas.
The ordinary viewpoints can be visited independently, so you do not need to join the guided tour simply to see the city views.
If you specifically want the guided program, check the latest Seoul information for reservation availability before going.
Another Free Evening Activity: Seoul Plaza Outdoor Library
During autumn 2026, Reading Seoul Plaza (책읽는 서울광장) is also operating outside City Hall.
The autumn season runs from September 4 through November 1, 2026.
In September, Friday-to-Sunday sessions operate into the evening from 4 PM to 10 PM, before switching toward daytime operation in October.
The setup typically includes colorful seating and books spread across Seoul Plaza.
If your dates line up, this makes an unusually good free evening:
Deoksugung → sunset → observatory → Seoul Plaza outdoor library
Are the Viewpoints Really Free?
Yes.
Seoul lists the observation spaces as free public facilities. Ordinary individual viewing does not require a separate admission ticket.
That’s what makes them especially useful for budget travelers.
You don’t have to pay observation-deck prices every time you want a city view.
Important Caveat: Check Before You Go
These are public facilities rather than conventional tourist attractions.
That means schedules can be affected by:
- public holidays
- nearby large demonstrations
- special events
- weather
- building operations
Seoul specifically notes that operations can be adjusted according to conditions around City Hall.
So if seeing one particular observatory is important to you, verify the day’s schedule before traveling across the city.
How to Get There
For all three viewpoints, the easiest base station is:
City Hall Station (시청역)
Lines 1 and 2
For Jeongdong Observatory, Seoul recommends City Hall Station Exits 11 or 12, followed by a short walk toward the Seosomun building.
For Seoul City Hall and Haneultteul, Exit 5 is convenient.
Korean Search Terms to Save
정동전망대 — Jeongdong Observatory
하늘전망대 — Haneul Observatory
하늘뜰 — Haneultteul rooftop garden
서울시청 — Seoul City Hall
서울도서관 — Seoul Metropolitan Library
덕수궁 — Deoksugung Palace
덕수궁 돌담길 — Deoksugung Stone Wall Road
야간 통통투어 — City Hall night tour
Again, Korean search terms are particularly useful in Naver Map and Kakao Map.
Free View vs. Paid Observation Deck: Which Is Better?
They’re different experiences.
Go to Seoul Sky if you want to understand the enormous scale of Seoul from one of its tallest buildings.
Go to N Seoul Tower if you want the classic mountain-top skyline experience.
Come here if you want to see central Seoul up close.
From Jeongdong Observatory, you’re not looking at an anonymous collection of buildings.
You’re looking down at Deoksugung.
You can see the palace you were walking through an hour earlier and understand how it sits within modern Seoul.
For me, that’s what makes the view interesting.
Is It Worth Visiting on a First Trip to Seoul?
Yes — but I wouldn’t necessarily give it its own half-day.
Instead, attach it to something you’re already doing nearby.
If you’re visiting:
Deoksugung → add Jeongdong Observatory.
Gwanghwamun → walk south toward City Hall.
Myeongdong → walk to City Hall before or after dinner.
Cheonggyecheon → combine it with an evening walk.
That’s the kind of attraction I love finding when traveling: something free, local and easy to insert into an itinerary without reorganizing the entire day.
And because the expanded nighttime opening only began in September 2026, it’s still something many older English-language Seoul guides don’t mention.
For more Seoul planning, see:
How Many Days Do You Need in Seoul? 3, 5 or 7 Days
And if you’re planning your daily spending:
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