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A 427-Foot View of Seoul: Is This Giant Balloon Worth the Vertigo?

Daniel Kim Views  

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Tethered
Tethered helium balloon attraction ‘Seouldal’ installed in Yeouido Park, Seoul. May 19, 2026. AJP Han Jung-gu

Seoul is the kind of city that makes you look up. Towers reach skyward, streets weave into mazes, and people are always moving somewhere. Whether you’re hustling through a subway transfer on your commute or waiting at a crosswalk in Yeouido’s financial district, the city rarely gives you a moment to just breathe and take it all in.

Planted in the middle of Yeouido Park, a giant white balloon called Seouldal flips that usual perspective. It’s printed with “SEOUL MY SOUL” and a grinning face. From a distance it reads like a city-brand sculpture; up close it feels like a theme-park balloon that someone thoughtfully installed for public delight. It looks light, cute, almost trivial—until the doors close.
 

Riders
Riders aboard ‘Seouldal’ at Yeouido Park rise to 130 m (about 427 ft) and look down at a miniature Seoul skyline, May 19, 2026. AJP Han Jung-gu

▲ When the doors closed, height came before the view

If you’re prone to vertigo, Seouldal is less an observation deck than a tiny test of courage.

As the balloon lifted, my heart jumped before my feet registered the distance. The cabin is donut-shaped, open on all sides, and I hadn’t realized how unnerving a great view could feel until that moment. Every direction offered a drop, and every gust made the balloon sway. The nerves were generous—360 degrees of them.
 

The
The tethered helium balloon ‘Seouldal’ in Yeouido Park offers riders a 360-degree panorama and views of the city below, May 19, 2026. AJP Han Jung-gu

As the cables uncoiled, Yeouido Park shrank beneath us. People who had been clearly visible minutes earlier became tiny dots. With the wind filling my ears, I couldn’t focus on the skyline at once. I knew it would be beautiful — but fear beat beauty to the punch.
 

A
A miniature-like view of central Seoul from ‘Seouldal’, May 19, 2026. AJP Han Jung-gu

Only at the top did the view come into focus. The National Assembly building, the bridges crossing the Han River, the cars on the streets — everything flattened into tiny, deliberate pieces, like a carefully arranged model. Seoul, which feels vast and hectic at street level, suddenly seemed small and quiet. The city hadn’t changed; my vantage point had.

Seouldal is a tethered helium balloon that rises to 130 m (about 427 ft). Shaped like a full moon with a 22 m (about 72.2 ft) diameter, a single ride takes roughly 15 minutes from boarding to exit. The adult fare is 25,000 KRW (about $18.75). According to Seoul Tourism Foundation figures, total riders have topped 100,000, and roughly 44% are international visitors.
 

German
German tourists Milita (34) and Karsten (31) give a pre-ride interview before boarding ‘Seouldal’, May 19, 2026. AJP Han Jung-gu

I ran into German tourists Milita and Karsten before they boarded. They’d spotted Seouldal on the travel app Klook and made a beeline for Yeouido. Having been in Korea for less than a day, their ask was simple: they wanted to see Seoul’s skyline from above.

For first-time visitors, the balloon works like a quick city primer. Before you learn the subway map or memorize street corners, it gives you the city’s overall layout.

▲ When we came down from the sky, the river was waiting
 

People
People wait in the Yeouido Han River ferry terminal waiting room to board the Han River bus, May 19, 2026. AJP Han Jung-gu

After descending, I headed straight for the Yeouido Han River bus terminal.

I started inside the boat, but the bow was already buzzing: people filming reels, snapping keepsake photos, or simply standing to feel the wind on their faces. Watching them through the glass felt quietly beautiful — everyone processing the moment in their own way.
 

Mexican
Mexican tourists Anna (29) and Christel (45) pose for photos in front of the Han River bus headed for the Yeouido dock, May 19, 2026. AJP Han Jung-gu

Against the river backdrop, someone broke into a little dance.

I went outside too — took pictures, let the wind slap my face. Looking out from behind glass and actually standing in the open are different experiences. The river breeze was stronger and colder than I’d expected. As we moved into the middle of the Han, Seoul unfolded on both banks: to the south, sleek new towers; to the north, older neighborhoods and heavy apartment blocks. The city opened in ways you never see from the subway.

After watching strangers through windows, I realized I’d become someone else’s view.
 

As
As the Han River bus neared Banpo Bridge, passengers came out on deck to watch the narrow moment as the boat passed under the low bridge supports, May 19, 2026. AJP Yoo Jun-ha

Passing under a low bridge, a sign reading 7.75 m (about 25.4 ft) caught my eye. The concrete supports looked alarmingly close, but the boat slipped through without drama. The only ones who felt tense were the people watching.

The Han River bus connects seven piers — Jamsil, Ttukseom, Oksu, Apgujeong, Yeouido, Mangwon and Magok. A regular fare is 3,000 KRW (about $2.25), with transfer discounts and eco-card perks available. Since service began last September, total ridership has surpassed 270,000.

Inurim, who lives in Yeouido, actually uses the Han River bus as everyday transport. It fits his route from Apgujeong to Yeouido, and he likes that he can enjoy the river on the way home. Still, he sees it more as a pleasant occasional option than a daily commute staple.

Christel, visiting from Mexico, summed it up simply:

If you want to savor the scenery without rushing, this is the boat for you.
 

The
The Han River bus travels along the Han River in Seoul, May 19, 2026. AJP Han Jung-gu

▲ Time when you become the view, not the destination

Seoul moves fast. Transfer windows, traffic flow, office calendars and smartphone pings all tune the city to speed. Slowness often gets labeled inefficient.

But Seouldal and the Han River bus turn that so-called inefficiency into an experience. One lifts you into the sky and shrinks the city; the other sets you on the water and lets Seoul drift by at an unhurried pace.

I almost shut my eyes in fear. I almost stayed inside. If I had, I would have seen nothing.

In that short stretch of time, Seoul stopped being a destination and became a view.

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Daniel Kim
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