Summer in Seoul means one thing for most locals: heading to the Han River. If you're wondering where Koreans go to cool off when their apartments don't have backyard pools, this is your answer — and it might just become the highlight of your trip.
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| A Hangang pool, with the Seoul skyline across the water. |
Why Seoul Doesn't Have Backyard Pools
Unlike the US or many Southeast Asian countries, private pools are rare in Korea. Most people live in apartments, and even standalone houses tend to be smaller, with little room — or budget — for pool upkeep. If you want a backyard pool here, you're realistically looking at building a house outside the city, and there are plenty of regulations around water facilities to navigate too. So when summer heat hits, the options are limited: indoor sports-center pools (where you're doing laps in a regulation swimsuit, not lounging in a bikini — bikinis genuinely aren't allowed there), pricier water parks like Caribbean Bay, or the beach, which usually means a long trip out of the city. That gap is exactly why the Hangang River pools have become such a summer institution — no need to travel far when the river is right there in the middle of the city.
2026 Opening Dates & Locations
The 2026 season runs June 19 to August 30 — 73 days total, with no scheduled closures, though heavy rain, typhoons, or poor air quality can force temporary shutdowns. Six locations are open this year, split between full pools and shallower water play areas:
- Ttukseom Pool (Gwangjin-gu) — lazy river, 4m aqua ring, sunbathing deck; the easiest to reach by subway, just steps from Jayang Station (Line 7)
- Yeouido Pool — water-park-style facilities with open river views
- Jamsil Water Play Area — infinity wall, shallow kids' pools, a stone-bottomed stream feature
- Gwangnaru Water Play Area — newly renovated this year into a nature-style facility near Amsa Ecological Park
- Nanji Water Play Area — infinity pool overlooking the river, popular with families
- Yanghwa Water Play Area — smaller scale, family-friendly, with wooden deck rest areas
One thing worth noting: Jamwon Pool is closed for all of 2026 while it's being rebuilt into a nature-style water play area, so don't plan around it this year.
If you want more ideas for exploring beyond the well-known spots, our guide on day trips beyond Seoul has plenty of other summer-friendly options outside the city.
Hours, Pricing & Discounts
Daytime hours run 9am to 6pm at every location. Night swimming, from 9am all the way to 10pm, runs July 3 through August 30 — but only at Ttukseom, Yeouido, Jamsil, and Nanji. Gwangnaru and Yanghwa close at 6pm regardless of the date, with no night hours at all. There's also a midday break from 12–1pm and an evening break from 5:30–7pm when no one is allowed in the water, so plan around those gaps.
Pool admission is 5,000 won for adults, 4,000 won for teens (13–18), and 3,000 won for children (6–12). Water play area admission is cheaper: 3,000 won for adults, 2,000 won for teens, and 1,000 won for children. Kids under 6 get in free with proof of age. A 50% discount applies to seniors 65+, registered disabled visitors plus one companion, and a few other eligible groups — but you'll need to show actual documentation at the gate, since screenshots aren't accepted.
Picking the Right Spot — and the Right Time
Local word-of-mouth matters more than you'd think here. Ttukseom and Yeouido are full-scale pools with lazy rivers and aqua rings — more of a water-park feel, popular with younger crowds and couples. The water play areas (Jamsil, Nanji, Yanghwa, Gwangnaru) are shallower and calmer, and tend to draw more families with young kids.
Timing matters too, and not just for crowd levels. Once night swimming kicks in on July 3, the vibe at the pools running evening hours shifts noticeably — it tends to skew younger after dark, with more of a social, going-out energy than the daytime family scene. If you're after a livelier evening atmosphere, that's worth keeping in mind when you plan your visit.
I actually tried to go once myself — and completely missed the opening dates, showing up only to find the pool already closed for the day. Lesson learned: double-check the operating hours before you go, especially on weekends, when it fills up fast.
We were living in Goyang when my kids were young, so we usually just went to a pool nearby instead of dealing with the Seoul crowds. Once you're outside the city, Gyeonggi-do and other areas have plenty of pools scattered around, with way less hassle.
I've also heard that the pools closer to Banpo tend to attract a younger, more done-up crowd — lots of toned bodies and bikinis — and apparently that gets even more pronounced once the sun goes down and night swimming starts, though I haven't seen it firsthand myself, so take that with a grain of salt. If that's the scene you're curious about, the Gangnam-area pools at night are probably your best bet.
For a family day out, though, just go in knowing the rules around supervision and swimwear, and you'll have a great time.
Rules & Safety to Know Before You Go
Each site is staffed with lifeguards, CCTV monitoring, an on-site nurse, and basic first-aid equipment, and the water quality is tested daily, so the safety setup is more thorough than it might look from the outside. English signage has also been added at each location to help international visitors navigate the rules.
As with most things here, it's worth checking recent reviews before you go — conditions, crowd levels, and even which pools feel more "scene-y" versus family-friendly tend to shift season to season, so other visitors' firsthand accounts are often the most reliable guide you'll find.