Sengokukogen Daihakone Ichinoyu

仙石高原大箱根一の湯

OK if coveredAsk about EnglishPrivate bath

Tattoos: OK if covered. Overnight guests: Ichinoyu group does not in principle refuse tattooed guests but asks them to cover tattoos in public baths; stickers 330 yen each, 114 mm x 114 mm, sold at the front desk. Group points guests who do not want to cover up to its inns with private outdoor baths, and this inn has a free one.
Day visits: No for general visitors
Not applicable (the group's yumeguri bath-hopping program covers the indoor bath only, 13:00 to 20:00)
Adult: Not applicable
Private bath: Yes. Small private outdoor bath in a Japanese garden for 2 to 3 people, free, 15:00 to 9:30, booked at the front desk on the day, first come first served. Overnight guests only; not part of the yumeguri program.
English: Ask about English. Facility pages are Japanese; no English page found for this inn
After a ride or hike: Overnight only. About 10 min walk from Sengoku-kogen (仙石高原) bus stop (Hakone-Yumoto bus about 30 min; also Odakyu highway bus from Shinjuku about 2 hours). Free parking 13 spaces, tell the hotel in advance.
Last checked: 2026-10-24 · Facility group's own Japanese day-trip page and facility bath page
Sources: www.ichinoyu.co.jp