The park's Green Tower Sagamihara observation deck is elevated 38 meters above ground level, offering a 360-degree view.
The park houses a 'Fureai Zoo' where visitors can interact with small animals like guinea pigs and ponies.
The flower garden section contains over 200 varieties of roses in addition to the hydrangea collection.
The grounds span approximately 24 hectares, making it one of the largest parks in the Sagamihara area.
Sagamihara-Asamizo Park is a sprawling green space in Kanagawa Prefecture known for its extensive hydrangea collection and a prominent 55-meter observation tower. The park features over 6,000 hydrangea bushes of various species, which bloom annually in early summer. The observation tower, known as the Green Tower Sagamihara, provides panoramic views of the Tanzawa Mountains and the Sagamihara cityscape. The facility includes a large grassy square, a children's zoo with petting areas, and a dedicated fountain plaza. It functions as part of the Kanagawa Prefectural Park system and serves as a central community recreation hub. The park terrain is varied, incorporating both flat lawns for leisure and wooded areas for walking. It is a popular location for seasonal flower viewing beyond hydrangeas, including roses and clematis.
The top observation deck of the Green Tower Sagamihara for wide cityscape vistas or the hydrangea tunnels for close-up floral photography.
Bring a picnic blanket to utilize the large open lawn areas during mild weather.
Visit the flower garden section first to avoid the peak crowds that arrive later in the day.
Check the official website's 'flowering information' page before visiting if you are timing your trip specifically for hydrangeas or roses.
Avoid visiting during the height of the summer heat in mid-afternoon, as the park features vast open spaces with limited natural shade in the central zones.
The animal petting area is typically closed on Mondays; the Green Tower Sagamihara may close during high winds or severe weather.
Keep pets on a leash at all times, do not pick flowers, and carry your own trash out of the park as there are limited public bins.
