Water Play Until Evening at the 50m Pool, Lazy River, and Slide-Equipped Toddler Pool

About this spot

Hamakawa Pool is an outdoor leisure pool in Takasaki, operating from July 21 (Tuesday) to August 31 (Monday), 2026, with hours from 9:00 AM to 4:00 PM (closed noon to 1 PM for change-over). In addition to the 50m and 25m pools for serious swimmers, it features a lazy river for floating on inner tubes, a shallow children's pool, and a toddler pool with a slide, offering fun for children of all ages and swimming levels. Changing rooms, showers, and a shop are available, making it easy to visit with just a swimsuit and towel. Note that opening times may vary on days when competitions are held, so checking the schedule beforehand is recommended. Entering right when the pool reopens at 1 PM allows you to enjoy about 3 hours of water play until the 4 PM closing time.

Season & hours

Tips

Admission is reasonable at 320 yen for high school students and up, and 150 yen for middle school students and younger. The noon to 1 PM change-over means arriving around 1 PM helps you claim a good spot quickly. The shop has limited options, so bringing snacks or light food in advance is recommended. Since opening times vary on competition days, check official information beforehand.

Best time to visit

Entering at 1 PM right after reopening allows you to secure a good spot and enjoy about 3 hours of water play until the 4 PM closing time

Access & map

Takasaki City - Hamakawa Pool