Hasunuma Seaside Park Children's Plaza

Hasunuma Seaside Park Children's Plaza

Four Free Rides




Hasunuma Kaihin Park Kodomo no Hiroba is a place where children and adults can enjoy together a mini-train with the longest running distance in Japan (2.1 km), unusual bicycles, and go-carts that run through an 820-meter course. 
There is also an observation tower that offers a panoramic view of Kujukuri-hama.


Choose 4 free rides from the following list.

Go-karts (3 yo and up)
Mini Train (1 yo and up)
Bicycle (4 yo and up)
Big Wave (3 yo and up)
Train Land
Kids Gym (3 yo and up) *Not in operation at the moment.
Dinosaur Land *Not operating in winter


Please check our events and campaigns from our official website.

Opening hours

*Times may differ from below.
Please be sure to check the official website.
10 am - 5 pm (Apr-Oct) 10 am - 4 pm (Nov-Mar)


Hasunuma Kaihin Koen Kodomo no Hiroba, 4207-13 Hasunuma Ha, Sanmu City, Chiba