Hongō Water Supply Station Park

本郷給水所公苑

Hongō Water Supply Station Park in Bunkyo, Tokyo, sits atop the Tokyo Waterworks Hongo station with a Musashino-style garden and a French-formal rose garden of about 53 varieties and 300 bushes. Open 7:00–19:00 from April to September and 9:00–17:00 from October to March; closed December 28 to January 4. Peak rose seasons are mid-May and mid-October. Confirm bloom updates before you visit.