Hi,Atsuko here.
Summer Ezuko with lots kids and families.
Parking is also full.
じゃぶじゃぶ池 Jyabujyabu Ike is opposite side of boats house.
The clear and cool water is Kumamoto treasure(๑˃ᴗ˂)و♡

Jyabujyabu Ike
https://www.google.com/maps/place/%E3%80%92862-0955+Kumamoto,+Chuo+Ward,+Kuwamizuhonmachi,+18,+%E3%81%98%E3%82%83%E3%81%B6%E3%81%98%E3%82%83%E3%81%B6%E6%B1%A0/@32.7812845,130.7406046,16z/data=!4m6!1m3!3m2!1s0x3540f3bc15279129:0x114f5d781292521d!2sKuwamizuhonmachi,+Chuo+Ward,+Kumamoto,+862-0955!3m1!1s0x3540f3bbf00959f5:0x5791cb1d51c9d44f