Hakone Kowakien Yunessun & Mori no Yu

箱根小涌園ユネッサン・森の湯

Kanagawa · Hakone · Train + bus

Two-in-one: a swimsuit onsen theme park for families plus the calmer Mori no Yu open-air baths.

Price

¥1,500

Baths

• ✓Outdoor: yes
• ✓Private: yes
• ×Mixed: no

Tattoos

If coveredRefused in principle. Swimsuit area Yunessun: OK if hidden with a rash guard or similar. Mori no Yu baths (from 1 Oct 2025): only if fully covered by two of the facility's paid cover stickers.

Hours

Yunessun weekdays 10:00-18:00, weekends/holidays 9:00-19:00; Mori no Yu 11:00-20:00 (last entry 19:30); price = Mori no Yu low season, varies by date