RAW TOKYO GUIDE vol.02｜17 Best “Jabu-Jabu” Splash Pools in Tokyo【2025 Edition】

Tokyo summers hit hard. But for kids, pools can still feel like a big leap. That’s where park “jabu-jabu” splash pools come in—shallow, safe, and usually free—perfect for a first taste of water play.
Based on the latest 2025 schedules, we’ve handpicked 17 of the best spots in Tokyo. Each one comes with detailed info and links to official pages, so you can plan your visit down to the minute.

01. Kiba Park Jabu-Jabu Pond (Koto Ward)

A metropolitan park famous for its vast lawns and BBQ areas. Plenty of shade makes it a summer favorite for families. After splashing around, enjoy a picnic or a nature walk along the park’s trails and playgrounds.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025
Hours	10:00–16:00 (Break: 12:30–13:00)
Ages	Up to 3rd grade elementary (with guardian)
Notes	No swim diapers / Closed for cleaning: Jul 23, Aug 1, Aug 13, Aug 27 / May close for weather
Address	4-1-1 Kiba, Koto, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Kiba Park

---

02. Sarue Onshi Park Jabu-Jabu Pond (Koto Ward)

Steps from Sumiyoshi Station (Hanzomon/Toei Shinjuku lines), with lots of shade for cooling off in the city. Pair a morning splash with an afternoon on the lawn or tennis court for a surprisingly rich day in the heart of Tokyo.

Period	Jul 19 (Sat) – Aug 24 (Sun)
Hours	10:00–16:00
Closed	Jul 28, Aug 4, Aug 12, Aug 18 for cleaning
Ages	Up to elementary school (with guardian)
Notes	No diapers/swim diapers
Address	2-13-7 Mouri, Koto, Tokyo GoogleMAP
Official Info	Tokyo East Parks – Sarue Onshi Park

---

03. Toyosu Park Jabu-Jabu Pond (Koto Ward)

A breezy bayside spot where water play pairs perfectly with a picnic on the grass. Plenty of nearby cafés and shopping for post-splash dining and browsing.

Period	Jul 1 (Tue) – Sep 7 (Sun), 2025
Hours	10:00–16:00
Ages	Not specified (with guardian)
Notes	Closed Mon (next day if holiday) / No diapers or swim diapers / May close for weather
Address	2-3 Toyosu, Koto, Tokyo GoogleMAP
Official Info	Toyosu Gururi Park – News

---

04. Ukima Park Jabu-Jabu Pond (Itabashi Ward)

Just a 1-minute walk from JR Ukimafunado Station. Known for its windmill and expansive lawns, this park is about 40% pond—rich in nature and open skies. The “Chibikko Plaza” and “Adventure Plaza” offer playgrounds, sand pits, and Tarzan ropes. The jabu-jabu pond is about 20 cm deep with good visibility, so even toddlers can play safely. Parents can relax on benches or at nearby cafés while keeping watch. The flowerbeds and aquatic plant garden add extra photo spots.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025 ※May close for cleaning, inspections, or weather
Hours	10:30–15:30
Ages	Up to elementary school (toddlers with guardian) / No diapers or swim diapers
Notes	Wash feet and remove shoes before entering / No staff supervision—use at your own risk
Address	2-14 Funado, Itabashi, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Ukima Park

---

05. Oyokogawa Shinsui Park – Water Play Area (Sumida Ward)

A long, narrow riverside park where you can cool your feet in gently flowing water. Great for a breezy stroll through a nostalgic downtown neighborhood, perfect for pairing with local gourmet eats.

Period	July–September ※Water flows year-round; chlorinated May–Nov
Hours	All day ※Avoid late-night/early-morning noise
Ages	Not specified (with guardian)
Notes	No paper diapers, but swim diapers under swimsuits allowed
Address	4-14-1 Higashikomagata, Sumida, Tokyo GoogleMAP
Official Info	Sumida Ward – Oyokogawa Shinsui Park

06. Shinjuku Central Park Jabu-Jabu Pond (Shinjuku Ward)

Splash around at the foot of skyscrapers. Easy to access, shaded, and with a kiosk nearby—perfect for a spontaneous water break. Playgrounds and lawns make this a true oasis in the business district.

Period	Jul 3 (Thu) – Aug 31 (Sun), 2025
Hours	Weekdays 11:00–16:00 / Weekends 10:30–16:00
Ages	Up to 3rd grade elementary (with guardian)
Notes	Swimwear or swim diapers required
Address	2-10 Nishi-Shinjuku, Shinjuku, Tokyo GoogleMAP
Official Info	Shinjuku Central Park Official

---

07. Toyama Park (Hakoneyama Area) Jabu-Jabu Pond (Shinjuku Ward)

Set at the foot of Hakoneyama, Tokyo’s tallest natural hill, this calm residential-area park is reserved for preschoolers who are diaper-free—so it’s a relaxed, safe space. Great for combining with bug catching or nature observation.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025
Hours	10:30–15:30
Ages	Diaper-free preschoolers only (no elementary)
Notes	No swim diapers / Guardian required / Closed Aug 5, Aug 21 for cleaning
Address	3-chome Okubo, Shinjuku, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Toyama Park

---

08. Komazawa Olympic Park Jabu-Jabu Pond (Setagaya Ward)

Cool off in the park of champions! Located near the west entrance, the splash area is perfect after cycling or the park’s athletic courses.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025
Hours	10:00–16:00
Ages	Up to 3rd grade elementary (with guardian)
Notes	Closed for cleaning: Jul 29, Aug 6, Aug 15, Aug 25 / Closed in cold or rain
Address	5-27-2 Komazawa, Setagaya, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Komazawa Olympic Park

---

09. Toneri Park Jabu-Jabu Pond – Fountain Plaza (Adachi Ward)

Newly renovated pond with floating spheres! Easy access via the Nippori–Toneri Liner. Pair a splash session with BBQ and grassy picnics for a full day out.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025
Hours	10:00–12:00, 13:00–16:00 (slide closed 12:00–13:00)
Ages	Up to 3rd grade elementary & toddlers
Notes	Closed Aug 14 & Aug 25 for cleaning / No diapers (including swim)
Address	1-chome Furuya, Adachi, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Toneri Park

---

10. Hikarigaoka Park – Keyaki Plaza Jabu-Jabu Pond (Nerima Ward)

A giant green space in a residential district. Lots of benches and shade for guardians, plus cherry blossoms in spring and golden ginkgo in autumn.

Period	Jul 23 (Wed) – Aug 31 (Sun), 2025 (planned)
Hours	10:00–16:00 (with cleaning breaks)
Ages	Not specified
Notes	Closed Aug 4–6 for cleaning / No swim diapers (paddling OK for diapered toddlers with guardian)
Address	4-1 Hikarigaoka, Nerima, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Hikarigaoka Park

11. Oizumi Chuo Park Jabu-Jabu Pond (Nerima Ward)

A shaded, low-key local favorite with fewer crowds—perfect for families who like a relaxed pace. The adjacent lawn and playgrounds make it easy to spend the whole day here.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025
Hours	10:00–15:30
Ages	Up to 3rd grade elementary (toddlers with guardian)
Notes	No diapers or swim diapers; kids without swimsuits cannot enter / Closed Aug 5 for cleaning
Address	Oizumigakuencho, Nerima, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Oizumi Chuo Park

---

12. Rinshinomori Park Jabu-Jabu Pond (Meguro Ward)

A forest park straddling Meguro and Shinagawa wards. Operates on a timed-entry system to manage crowds. Playing in cool water under the forest canopy, with cicadas buzzing, feels like peak Japanese summer.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025
Hours	Morning 10:00–11:50 / Afternoon 13:00–14:50 (timed entry)
Ages	Up to 3rd grade elementary (toddlers with guardian)
Notes	No swim diapers / Capacity limit—entry may be restricted / Closed Thursdays for cleaning
Address	5-chome Shimomeguro & surrounding, Meguro, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Rinshinomori Park

---

13. Shimizuzaka Park Jabu-Jabu Pond (Kita Ward)

Known for its giant roller slide, this park offers a long season for water play. Elevated views, open lawns, and a community vibe make it a go-to summer hangout.

Period	May–Sep 2025 (daily in Jul & Aug; Sep only on 6th & 7th)
Hours	10:00–16:00
Ages	Not specified (guardian for toddlers recommended)
Notes	Closed 2nd & 4th Wed (2nd & 5th Wed in Jul) / No diapers or swim diapers allowed
Address	4-2-1 Jujo-Nakahara, Kita, Tokyo GoogleMAP
Official Info	Kita Ward – Akabane District Parks

---

14. Asukayama Park Jabu-Jabu Pond (Kita Ward)

Right next to JR Oji Station, this summer-only splash area combines fountains, shallow streams, and channels that are safe for younger kids. The park also has a mini monorail and museums, so you can easily spend a whole day.

Period	Jul–Aug (daily) / Sep (weekends only) / Ends Sep 10
Hours	10:00–16:00
Ages	Toddlers to elementary school
Notes	No swim diapers / Closed 1st & 3rd Fri for cleaning / Limited shade—bring hats & drinks
Address	1-1-3 Oji, Kita, Tokyo GoogleMAP
Official Info	Kita Ward – Asukayama Park

---

15. Ichinoe Sakaigawa Shinsui Park – Water Plaza (Edogawa Ward)

A 3.2 km-long park built around the natural water of the Shin-Nakagawa River. Three separate “water plazas” vary in size and depth, so you can choose based on your child’s age and play style. Rich in aquatic plants, fish, and insects for nature observation.

Period	Jul 1 (Tue) – Sep 15 (Mon, holiday), 2025 / Always open during period
Hours	Open all day (shallow depth makes it safe)
Ages	Toddler–elementary (depth approx. 10–50 cm)
Notes	Some slippery stones / Shower & toilets available / Be gentle with wildlife
Address	Ichinoe 1-chome – Funabori 7-chome, Edogawa, Tokyo GoogleMAP
Official Info	Edogawa Ward – Water Play Parks

---

16. Niji no Hiroba Jabu-Jabu Pond (Edogawa Ward)

Located in the Comprehensive Recreation Park, just 7 minutes from Nishi-Kasai Station. Features a dramatic 50 m-long wall fountain, with water cascading down and a walkway behind the falls. On sunny days, rainbows appear in the mist.

Period	Jul 1 (Tue) – Sep 15 (Mon, holiday), 2025 / May close temporarily for cleaning
Hours	9:00–17:00
Ages	Toddler–elementary (depth 20–25 cm)
Notes	No diapers / Wear sandals, not barefoot / Entry may be limited during peak crowds
Address	6-11 Nishi-Kasai, Edogawa, Tokyo GoogleMAP
Official Info	Edogawa Ward – Water Play Parks / Niji no Hiroba Facility Page

---

17. Fuchu no Mori Park Jabu-Jabu Pond (Fuchu City)

A short train ride from central Tokyo. Wide lawns, shady trees, and nearby museums make it a full-day trip spot. Seasonal flowers along the paths add to the charm.

Period	Jul 19 (Sat) – Aug 31 (Sun), 2025
Hours	9:30–16:00
Ages	Not specified (guardian for toddlers recommended)
Notes	Closed Jul 28, Aug 5, Aug 14, Aug 22 for cleaning / No diapers or swim diapers
Address	1-3-1 Asama-cho, Fuchu, Tokyo GoogleMAP
Official Info	Tokyo Metropolitan Park Association – Fuchu no Mori Park

---

RAW JAPAN Comment

Tokyo’s jabu-jabu ponds are wildly diverse—from forest hideaways to dramatic fountains and urban play zones. The 17 we picked balance easy access, safety, and a touch of summer magic for the camera. With these, you can turn even the most sweltering days into cool, memorable adventures.

---

Credits

Based on 2025 official park schedules, Tokyo Metropolitan Park Association, and ward websites.