Decide on Kasai Sightseeing for Your Next Holiday! Top 10 Popular Spots

Kasai is located at the easternmost edge of Tokyo’s 23 wards, surrounded by natural features such as the Edogawa River, Arakawa River, and Tokyo Bay. Leveraging this scenic environment, water buses operate in the area, offering a pleasant sea-side cruise that goes all the way to Odaiba.

Additionally, Kasai is close to Chiba Prefecture across the Edogawa River, placing popular attractions like Tokyo Disney Resort within easy reach. Kasai is also known for its numerous parks.

In this guide, we’ll introduce 10 must-visit spots around the Kasai and Edogawa Ward area, focusing on Kasai Rinkai Park, the area’s representative landmark. These spots are perfect for families, friends, and couples alike!

1. Kasai Rinkai Park

Kasai Rinkai Park is the standout tourist spot in the Kasai area! Spanning five zones, this expansive park is home to an aquarium, bird sanctuary, observation restaurant, and a hotel, among many other facilities.

The highlight of Kasai Rinkai Park is undoubtedly the "Diamond and Flower Ferris Wheel." From a height of 117 meters, you can enjoy views of popular attractions like Tokyo Disneyland, Rainbow Bridge, and Tokyo Tower. Plus, since the Ferris wheel doesn’t have shared seating, it’s perfect for dates. The view from your own private gondola will surely be unforgettable!

Additionally, you can ride a park train shaped like a locomotive for a 25-minute tour around the park. On clear days, you can even see the Boso Peninsula and Aqua-Line. Kasai Rinkai Park is a recommended spot for Tokyo sightseeing, offering a full day of enjoyment.

2. Kasai Seaside Park

Located offshore of Kasai Rinkai Park, Kasai Seaside Park is connected by Nagisa Bridge, which resembles a yacht mast. The park has two artificial tidal flats. While the East Nagisa is a protected natural area and off-limits to visitors, the West Nagisa offers sandy shores where visitors can enjoy water activities, clamming, barbecues, and fishing, making it a popular spot for families.

With views of Tokyo Disneyland and Aqua-Line, this park is also ideal for watching the first sunrise of the year! Although access is usually restricted at night, it is open early only on New Year’s Day. Why not plan a New Year’s visit to Kasai for a special experience?
Whether it’s summer or any other time of the year, Kasai Seaside Park offers a relaxing atmosphere where you can enjoy the sea breeze.

3. Kasai Rinkai Aquarium

No visit to Kasai Rinkai Park is complete without stopping by Kasai Rinkai Aquarium! Opened in 1989 within the park, the aquarium is known for its unique giant glass dome. Inside, there’s a massive donut-shaped tank for bluefin tuna, holding an impressive 2,200 tons of water.

The penguin exhibit is one of the largest in Japan, allowing you to enjoy watching these adorable creatures up close.

The aquarium is relatively affordable compared to others, and if you show your Ferris wheel ticket, you get a further discount. Save on admission and use the savings for souvenirs or dining while enjoying your time at Kasai.

4. Shin Nagashima River Waterside Park

Next up is Shin Nagashima River Waterside Park, located in Seishincho 2-chome. With approximately 42,000 daffodils planted, it’s known as a famous daffodil spot within the ward.

A river runs through the park, and in the summer, a water play area is set up, making it a popular destination for families. There’s also a promenade lined with seasonal flowers and trees, perfect for a quick stroll between sightseeing stops.

Additionally, on the southern side is the Shin Sakongawa Waterside Park, which has a day camping area with barbecue facilities. Visiting both parks could make your trip even more enjoyable.

5. Edogawa Natural Zoo

If you’re looking to enjoy Kasai without spending much, check out Edogawa Natural Zoo! This budget-friendly zoo has no admission fee. It may be small, but it features around 60 species, including popular animals like red pandas, penguins, and prairie dogs, totaling around 550 animals.

The zoo’s interactive corner is a hit with kids, allowing them to hold rabbits and guinea pigs. You can also pet sheep and goats.

There are various events like a sheep shearing show, a behind-the-scenes zoo tour, and a parent-child animal care experience. With so much to enjoy for free, it’s a must-visit sightseeing spot in Kasai!

6. Gyosen Park (Heisei Garden)

Why not enjoy the seasonal scenery of a Japanese garden in Kasai? Opened in 1950 in Kita-Kasai, Edogawa-ku, Gyosen Park features a zoo and a garden within its grounds.
The northern area is home to Heisei Garden, a Japanese garden with a central pond surrounded by azaleas, weeping cherry blossoms, irises, and maple trees. The garden’s walking paths allow visitors to enjoy these flowers up close.

By the pond is a sukiya-style building called "Genshin-an," where tea ceremonies, flower arranging, and gatherings can take place while appreciating the garden’s scenery. With seasonal flowers greeting visitors year-round, this garden is a must-see spot when visiting Kasai.

Gyosen Park also has a maple-lined path, a cherry blossom square, wisteria trellises, playground equipment, and more, allowing you to enjoy the park in your own way.

7. Subway Museum

"Chikahaku." Located under the elevated tracks of Tokyo Metro’s Tozai Line "Kasai Station," this museum lets you experience and learn about the history of subways.

The exhibits are organized by theme, providing answers to various subway-related questions and offering an impressive experience. A favorite among tourists is the Chiyoda Line simulator, where you can enjoy driving from a real control panel.

Additionally, the beloved Ginza Line 01 series train car is displayed as a monument, albeit only the front portion, a treat for railway fans. You can even bring your own lunch, making it a perfect spot for a picnic-like experience.

8. Tower Hall Funabori

Located in Funabori, Edogawa-ku, Tower Hall Funabori is a sightseeing spot in Kasai that offers great views. Known as a beloved symbol of Edogawa-ku, this facility also has halls for various events, conference rooms, and a movie theater.

From the 115-meter-high observation tower, you can enjoy a 360-degree view of Tokyo’s cityscape. Iconic landmarks like Tokyo Tower and Tokyo Disney Resort are visible, and at night, you can watch the lights of the cars along the Metropolitan Expressway.

You can also see the fireworks from the Sumida River Fireworks Festival, a summer tradition in Tokyo. Although it’s a distant view, the lack of crowds makes it an ideal spot to enjoy fireworks in a relaxed setting.

9. Zenyoji Temple

Also known as "Koiwa Fudoson," Zenyoji Temple is located in Higashi-Koiwa, Edogawa-ku. It spans approximately 12,000 square meters, with the "Yogo Pine," estimated to be 600 years old, being a major highlight for visitors.

The Yogo Pine is a black pine with a trunk circumference of 4.85 meters and a height of 7 meters, while its branches extend up to about 30 meters. Known as "Japan’s most famous pine," it is designated as a national natural monument, covering an area of 800 square meters! When you visit, be sure to take a close look at this magnificent tree.

Zenyoji also has other attractions such as the main hall, Yogo-den, and Mitsugon Pagoda. In May, the temple hosts a rose and satsuki azalea exhibition, and a chrysanthemum exhibition is held at the end of October, attracting many visitors.

10. Koiwa Iris Garden

Last on the list is Koiwa Iris Garden, a popular sightseeing spot known for its beautiful irises. This circular-style garden has around 100 varieties and 50,000 iris plants, attracting numerous visitors from May to June when they bloom.

Situated along the Edogawa River, Koiwa Iris Garden provides an open and relaxing environment, making it a popular retreat in Tokyo. During the peak bloom season, the "Koiwa Iris Garden Festival" is held, so planning your visit around this time is highly recommended.

In addition to irises, you can also enjoy flowers like rapeseed, poppies, and cosmos. The garden’s lawn area is perfect for picnics or simply unwinding.

◎Summary

Did you know that there are so many diverse activities just around Kasai Rinkai Park? Each sightseeing spot has attractions for people of all ages to enjoy.

Consider using this guide to further explore the Kasai area and visit each site. And at the end of your trip, don’t forget to try the local Komatsuna dishes, a specialty of Edogawa-ku!

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Decide on Kasai Sightseeing for Your Next Holiday! Top 10 Popular Spots