Kajo Park (Yamagata Castle Ruins)
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. Cherry blossoms from early to mid April, lit up along the east and south moats.
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.

The wide moated grounds of Yamagata Castle near Yamagata Station, with a rebuilt main gate, a statue of lord Mogami Yoshiaki and about 1,500 cherry trees.
National Historic Site
Nearby
- Bunshokan (Former Yamagata Prefectural Office) ≈ 15 min by car
- Zao Onsen ≈ 30 min by car
- Yamadera (Risshakuji Temple) ≈ 35 min by car
- Zao Snow Monsters ≈ 35 min by car
- Kaminoyama Onsen ≈ 35 min by car
Travel times are rough estimates by car.
- Best time
- April — Cherry blossoms from early to mid April, lit up along the east and south moats
- Getting there
- About 10 min walk from JR Yamagata Station
- Fee
- Free
- Good to know
- Museums nearby: Yamagata Prefectural Museum and the Mogami Yoshiaki Historical Museum
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-12. Report outdated info