Tatsuta Nature Park is a lovely place to take a break. Have a picnic, throw a ball around or just lie on the soft grass and shut your eyes for a while.
If you're on a budget, here's some good news. It's free to visit Tatsuta Nature Park in Chuo Ward. But your sightseeing doesn't have to end at this recreation and green space. Close-by attractions like Kumamoto Castle, Aqua Dome Kumamoto and Kumamoto Zoo and Botanical Garden will cap off your day nicely.