Tokyo Water Science Museum
Hands-on water science adventures for all ages
At a Glance
Best Ages
All ages
Cost
Free
Time Needed
1-2 hours
Indoor/Outdoor
Indoor
Weather Fit
Great for rainy days
Stroller Access
Yes, step-free
Washrooms
On-site w/ baby change
Food
Outdoor picnic area
Parking
No car parking
Booking
Not required
Parent Effort
Medium (supervision)
The Tokyo Water Science Museum offers a delightful and interactive journey into the world of water, making it a must-visit for curious families. Its plethora of engaging exhibits and free admission make it both educational and accessible for everyone.
About This Place
The Tokyo Water Science Museum (Mizuno-Kagakukan) in Koto City is a free, hands-on science museum operated by the Tokyo Waterworks Bureau, exploring the journey of Tokyo's water from mountain sources to household taps. Interactive exhibits and engaging displays make it an educational and enjoyable visit for families and curious visitors. Free admission; open Tuesday–Sunday.
Official Website open_in_newInteractive Exhibits
Engage in hands-on water science activities.
Themed Theatres
Experience Aqua Trip Water Journey Theatre.
Weather Independent
Enjoy a full day indoors, rain or shine.
Family Friendly Facilities
On-site amenities cater to family needs.
Good to Know Before You Go
- Monday
- Closed
- Tuesday – Sunday
- 09:30 – 17:00
- Admission
- FREE
- Booking
- No advance reservations, but tickets required for some exhibits.
- Parking
- Only large buses have designated parking.
- Food Policy
- No indoor dining, outdoor picnic allowed.
- Accessibility
- Step-free paths throughout the museum.
- Washrooms
- Facilities available with baby changing areas.
- Official website
- Visit site
Prices were last verified in 2026. Please check the official website for the most up-to-date rates.
Kid Fit by Age
Accessible pathways.
Hands-on, interactive exhibitions.
Exciting theatre and tour options for young learners.
Perfect for curious minds with lots to explore.
Engaging activities and learning experiences.
Depends on interest in science-related topics.
- •All exhibits are supervised for safety.
- •Emergency procedures clearly displayed.
- •Regular maintenance ensures safety.
- •Staff trained for first aid and emergencies.
- •Step-free access for wheelchairs and strollers.
- •Accessible bathrooms with baby change.
- •Clear signage and information available.
- •Seating areas for rest throughout the museum.
schedule Best Time to Visit
Visit during weekdays to avoid school and group excursions for a quieter experience.
shopping_bag What to Bring
- check_boxComfortable walking shoes
- check_boxCamera for photos
- check_boxRain gear if planning to eat outside
- check_boxWater bottle
- check_boxSunscreen for outdoor area
Location
Address
3 Chome-1-8 Ariake, Koto City, Tokyo 135-0063, Japan
Phone
+81335282366
Make it a half-day
View All Koto City
Insider Tips
Pick up your theatre ticket early to get the best time slots.
Check weather conditions for a picnic outside.
Plan your visit around the guided tour hours.
Use public transport for easy access.
Planning a birthday?
Get exclusive party packages and dedicated hosts for your special day.
Last checked: 2026