Hangang Swimming Pool Night Opening 2026: Evening Hours, Sites, Fees, and Planning Tips

Hangang swimming pools and water playgrounds are extending into the evening for summer 2026, making the night opening a useful anchor for a Hangang Night Picnic. The night schedule runs from July 3 to August 30, 2026, with four Hangang facilities open until 10 p.m.; the overall six-site summer season runs from June 19 to August 30, 2026.¹

The key point for visitors is that the night opening does not apply to every Hangang water facility. Ttukseom Swimming Pool, Yeouido Swimming Pool, Jamsil Water Playground, and Nanji Water Playground are the four evening-operation sites, while Gwangnaru and Yanghwa are excluded from the late schedule.²

Hangang Swimming Pool Night Opening: Dates and Participating Sites

The 2026 Hangang Park water season covers six facilities: Ttukseom and Yeouido swimming pools, plus Jamsil, Gwangnaru, Nanji, and Yanghwa water playgrounds. Yonhap News reported the same six-site opening based on Seoul’s announcement, with operations beginning on June 19 and continuing through August.³

For night use, narrow that list before making plans. The evening program begins on July 3 and continues through August 30, 2026. During that period, the four participating facilities operate until 10 p.m., giving visitors a later option after work, school, or daytime heat.¹

If the purpose of the outing is swimming, the source-backed night choices are Ttukseom and Yeouido. If the plan is casual water play rather than a pool setting, Jamsil and Nanji are the night-operation options. This distinction matters for both expectations and pricing, because the swimming pools and water playgrounds have different admission fees.

Yoo Hye-mi, a park division chief at Seoul Future Hangang Headquarters, explained in a YTN Radio interview that night swimming and water play would be available until 10 p.m. from July 3 at the eligible sites.⁴ Treat that as applying to the four night-opening locations, not to the full list of six facilities.

Fees, Facilities, and Rules to Check Before Going

Admission differs by facility type. Hankook Ilbo reported 2026 swimming pool fees of 3,000 won for children, 4,000 won for teenagers, and 5,000 won for adults. For water playgrounds, the listed fees are 1,000 won for children, 2,000 won for teenagers, and 3,000 won for adults.⁵

For a family or group visit, the difference can affect which site is most practical. Ttukseom and Yeouido are the higher-priced pool options within the night-opening group. Jamsil and Nanji are lower-priced water playgrounds, based on the reported fee categories.

Visitor facilities also affect the evening plan. My Seoul reported that shower rooms, changing rooms, and parasols are available free of charge, while sunbeds require a separate fee. The same source lists a 45-minute use period followed by a 15-minute rest period as part of the operating system.²

That rest cycle is especially important for a late arrival. If visitors arrive near closing time, the actual amount of water time may be shorter than expected. A practical plan is to arrive early enough to allow for admission, changing, at least one full water-use period, and cleanup before the 10 p.m. closing time.

Safety and maintenance measures are part of the 2026 operation plan. Seoul announced water quality inspections, safety staff placement, and CCTV installation among its safety and convenience measures.¹ Hankook Ilbo separately reported 58 safety personnel and 138 CCTV units in its summary of the city’s safety management measures.⁵

For booking and site-specific details, the Seoul Future Hangang Headquarters guide provides Naver reservation links, facility information, discount eligibility, and user precautions. It also notes a changed entrance route for Jamsil Hangang Park parking and states that Jamwon Swimming Pool is closed during natural-style water playground construction, with opening planned after 2028.⁶

How to Build an Evening Visit Around the Night Opening

Start with the facility, not the picnic spot. For an evening swim, choose Ttukseom or Yeouido. For lower-cost water play, choose Jamsil or Nanji. After that, check the official operation guide for reservation links, discounts, parking notices, and user precautions before leaving.⁶

A Hangang Night Picnic works best when the water facility is treated as the fixed appointment of the evening. Plan food, rest, and riverside time around the facility’s operating hours rather than assuming the whole park schedule matches the pool schedule. The late opening gives more flexibility, but the 10 p.m. closing time still creates a clear endpoint.

Visitors should also avoid assuming that every familiar Hangang summer site is open late. Gwangnaru and Yanghwa are part of the 2026 daytime water facility season, but they are not listed among the four sites extending operations until 10 p.m.²

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Patrick Choi

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