Hakone Kowakien Motoyu Mori no Yu

箱根小涌園元湯森の湯

OK if coveredEnglish websitePrivate bath

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Tattoos: OK if covered. From 2025-10-01, guests with tattoos (including stickers and paint) may use the large bath only if the tattoo is fully covered by two of the facility's designated paid cover stickers. Guests who refuse the stickers are refused entry. If the tattoo cannot be fully covered, use a private bath. Sticker price and size limits not stated.
Day visits: Yes (nude day onsen)
11:00 to 20:00 daily (last entry 19:30 per official site; hakone.or.jp says last entry one hour before close); irregular closures
Adult: Variable pricing by season A/B/C: 1,500 / 1,700 / 1,800 yen (junior high and up); 65+ and disability discount from 1,100 yen. Towel rental per complex FAQ: bath towel 250 yen, face towel 150 yen
Private bath: Yes. 8 private rooms in total (Mori no Yu area plus 6 at Bettei Yasuragi), hot spring flowing. About 7,000 to 11,000 yen per room (some slots from 5,000 yen). Slots of about 1.5 to 2 hours between 11:00 and 20:00 (e.g. 11:00-12:30, 13:00-15:00, 15:30-17:30, 18:00-20:00). Online booking only, no phone booking. Day visitors can use them. Whether general admission is also needed: not stated. Bettei Yasuragi includes bath and face towel set.
English: English website. Yunessun complex has English pages (yunessun.com/global/en). Mori no Yu facility page itself is Japanese only. Staff English not stated.
After a ride or hike: About 15 minutes walk from Kowakudani Station, or bus from Odawara (about 40 min) or Hakone-Yumoto (about 20 min). Shares the Yunessun car park (1,300 to 1,600 yen per day after 2 free hours) and free lockers. Open until 20:00, good for a late finish.
Last checked: 2026-10-24 · Facility's own Japanese tattoo notice, FAQ and private bath page; hakone.or.jp listing. All pages read 2026-10-24.
Sources: www.yunessun.com
www.yunessun.com
www.yunessun.com
www.yunessun.com
www.yunessun.com
www.hakone.or.jp