Nanko Park (Shirakawa)
Open by month
Open in January. No seasonal closure recorded. New Year (Dec 29 – Jan 3): open.
Open in February. No seasonal closure recorded.
Open in March. No seasonal closure recorded.
Open in April — at its best. About 800 Yoshino cherry trees around the lake.
Open in May. No seasonal closure recorded.
Open in June. No seasonal closure recorded.
Open in July. No seasonal closure recorded.
Open in August. No seasonal closure recorded.
Open in September. No seasonal closure recorded.
Open in October. No seasonal closure recorded.
Open in November. No seasonal closure recorded.
Open in December. No seasonal closure recorded. New Year (Dec 29 – Jan 3): open.
Checked against the official site on 2026-10-12.

A lakeside park opened in 1801 by lord Matsudaira Sadanobu for people of every class. Paths circle the lake with views to the Nasu peaks.
National Historic Site and Place of Scenic Beauty
Nearby
- Shirakawa Komine Castle ≈ 15 min by car
- Nasu Yumoto Onsen and Sessho-seki ≈ 50 min by car
- Sukagawa Peony Garden ≈ 55 min by car
- Mt. Nasu (Chausudake) & Nasu Ropeway ≈ 55 min by car
- Unganji Temple ≈ 1 h 5 min by car
Travel times are rough estimates by car.
- Best time
- April — About 800 Yoshino cherry trees around the lake
- Getting there
- 10 min by bus from Shin-Shirakawa Station to Nanko Koen
- Fee
- Free
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-12. Report outdated info