Hakone Kowakien Yunessun

箱根小涌園ユネッサン

OK if coveredEnglish websitePrivate bath

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Tattoos: OK if covered. Official FAQ: tattoos (including stickers and paint) are refused in principle, but the swimsuit area Yunessun can be used if tattoos are covered, for example with a rash guard, which can be rented. The general service page still says tattooed guests are refused entry, so the FAQ appears to be the newer rule. No size limit stated.
Day visits: Yes (swimsuit hot spring theme park, open to all)
Weekdays 10:00 to 18:00 (last entry 17:00); weekends and holidays 9:00 to 19:00 (last entry 18:00); may be extended in some seasons
Adult: Variable pricing by season A/B/C: Yunessun only 2,500 / 2,800 / 3,000 yen; Passport with Mori no Yu 3,500 / 3,700 / 4,000 yen (junior high and up). Calendar maps dates to A/B/C; parking table pairs A with weekdays and B/C with weekends, holidays and peak days. Towel rental: bath towel 250 yen, face towel 150 yen
Private bath: Yes (in the linked Mori no Yu area). 8 reservable private baths (kashikiri) in the Mori no Yu area and the Bettei Yasuragi annex; see Mori no Yu row. FAQ says tattooed guests who cannot fully cover should use these.
English: English website. Official site has English pages under yunessun.com/global/en; hakone-japan.com has an English listing. Neither states English-speaking staff.
After a ride or hike: Big drop-in complex, no booking needed for general entry. Free lockers (42 x 82 x 41 cm); bags that do not fit stored at front for 200 yen per item. 510-space car park, free for 2 hours, then 1,300 yen per day weekdays or 1,600 yen weekends and peak. Cashless payment except vending machines. Bike storage not stated.
Last checked: 2026-10-24 · Facility's own Japanese FAQ and price pages, plus official Hakone tourism (hakone-japan.com) English page. All pages read 2026-10-24.
Sources: www.yunessun.com
www.yunessun.com
www.yunessun.com
hakone-japan.com