What can I do at Toyama Park?

The park offers open lawns, walking paths, cherry blossoms in spring, tennis courts, and a gymnasium. Visitors can view the historical memorial monument and informational plaques about the site's wartime past.

Are there restrooms and facilities available at Toyama Park?

Yes. The park has public restrooms and vending machines. The sports facility building contains additional amenities including changing rooms for those using the gymnasium or tennis courts.

Can I see cherry blossoms at Toyama Park?

Yes. The park has cherry trees that bloom in late March to early April. It offers a quieter hanami experience compared to famous spots like Ueno Park or Shinjuku Gyoen.

Is Toyama Park crowded with tourists?

No. The park is primarily used by local Shinjuku residents and remains relatively unknown to international tourists, making it a peaceful alternative to Tokyo's major parks.

Toyama Park (Hakoneyama District)

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Toyama Park is located in the Hakoneyama district of Shinjuku, Tokyo, offering a peaceful green space that holds significant historical importance. The park occupies the former site of the Army Medical School and the notorious Unit 731 headquarters, where biological warfare experiments were conducted during World War II. Today, the park serves as a quiet memorial and recreational area, with a small monument acknowledging its dark past.

The park covers approximately 4.5 hectares and features open lawns, walking paths, and seasonal plantings that attract local residents for relaxation and exercise. Cherry blossoms bloom here in spring, making it a pleasant spot for hanami (flower viewing) away from the more crowded tourist locations. The park also includes a sports facility with tennis courts and a gymnasium managed by the Shinjuku Ward.

Visitors can explore the park's historical significance through informational plaques that provide context about the site's wartime use. The park's relatively unknown status among international tourists means it remains tranquil, offering an authentic glimpse into neighborhood life in Tokyo. Those interested in World War II history or medical history will find the location particularly meaningful.

Access to Toyama Park is convenient via the Tokyo Metro Fukutoshin Line or Toei Oedo Line at Higashi-Shinjuku Station, approximately an 8-minute walk from Exit A1. Alternatively, Shin-Okubo Station on the JR Yamanote Line is about a 10-minute walk away. The park is open year-round with no admission fee, making it an accessible destination for those exploring the Shinjuku area beyond its commercial centers.

What other travelers are saying about Toyama Park (Hakoneyama District)

It’s a nice and calm park, nature has its presence in Shinjuku area. Running water, ponds, trees, flowers and birds. Children playing around in a safe environment. Clean toilets, well maintenance all around the park.

Helio Ciffoni

Feb 20, 2021

Overall, this park is a hidden gem in the middle of the city. Perfect for jogging, family outings, and student activities. Its accessibility, facilities, and lush nature make it an excellent spot to relax and recharge in the middle of busy Shinjuku.

A peaceful place in the city

Public park for children .. nothing special to see

Tecla Vismara

Mar 5, 2025

marvelously close to my first home

Toyama Park (Hakoneyama District)

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What other travelers are saying about Toyama Park (Hakoneyama District)

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