蓮沼ウォーターガーデン
千葉県・山武市・Water parkSeasonal
Oversized vehicles (campervans)： The operator publishes an oversized-vehicle fee tier — you can park.
大型バス2,200円、オートバイ100円
Hasunuma Water Garden is a summer-only outdoor pool within the Chiba prefectural Hasunuma Coastal Park, with 19 different pools and attractions of varying sizes, headlined by the 182-meter water slide "Splash Shaker." The 2026 season runs July 4-September 23, 9:00-17:00 (last entry 15:00), with closures on weekdays in early-to-mid July and in September. Admission is 2,200 yen for adults, 1,200 yen for high schoolers, 500 yen for junior high schoolers, 400 yen for elementary schoolers, and 200 yen for infants (free for age 3 and under), with attractions charged separately. Parking costs 600 yen for cars, 2,200 yen for large buses, and 100 yen for motorcycles.
- Parking fee ¥600
- プール営業期間中の有料駐車場