Hakone Kowakien Yunessun
A swimsuit hot-spring amusement park in Hakone with an indoor lazy river, outdoor hot-spring areas, a warm-water slide and a shallow kids' pool.
- Indoor pool
- Water slide
- Kids / shallow pool
- Open year-round
Mountain reset · Kanagawa
A useful decompression stop between city-heavy days, especially for families interested in scenery, hot-spring stays, and shorter activity blocks.
Editorial planning guidance
From official tourism sources
The Odakyu Romancecar runs directly from Shinjuku to Hakone-Yumoto in about 80 minutes.
The Romancecar is the fastest way between Shinjuku and Hakone.
Family water play
A swimsuit hot-spring amusement park in Hakone with an indoor lazy river, outdoor hot-spring areas, a warm-water slide and a shallow kids' pool.
Next step
KodoTrip does not attach booking links until the trip structure is useful on its own. Use the Finder first, then narrow accommodations and activities.
Open the Finder