Enjoy the water slide and lazy river until evening

About this spot

An outdoor leisure pool operating from July 18 (Saturday) to August 30 (Sunday), 2026 (closed July 21-24). The 10-meter-high, 100-meter-long water slide is a popular attraction where screams of joy echo with each descent, and the 139-meter lazy river offers pure enjoyment just floating on an inner tube. A shallow toddler pool is provided, making it safe for families with young children. Operating hours are 9:00 a.m.–4:30 p.m., with last admission at 3:30 p.m. Entering from noon gives you plenty of water play time until closing at 4:30 p.m.

Season & hours

Tips

Admission prices vary by weekday/weekend/holiday/Obon period (August 1-16) with separate rates for adults, children, and toddlers, so checking your visit date in advance is recommended. Last admission is 3:30 p.m. and closing is 4:30 p.m., so enjoy slides and attractions with plenty of time to spare. Weekends and Obon period expect crowds, so arriving early is advised.

Best time to visit

Entering at noon gives you roughly 4.5 hours of solid water play until closing at 4:30 p.m.

Access & map

Hotel Lakeside Tsukuba Outdoor Pool, Tsukuba City