Karatsu Castle
Open by month
Open in January. No seasonal closure recorded. New Year (Dec 29 – Jan 3): shorter hours or partly closed.
Open in February. No seasonal closure recorded.
Open in March — at its best. Cherry blossoms in late March and wisteria in late April in Maizuru Park.
Open in April — at its best. Cherry blossoms in late March and wisteria in late April in Maizuru Park.
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): shorter hours or partly closed.
Checked against the official site on 2026-10-12.

A castle keep on a point at the mouth of the Matsura River, with views over Karatsu Bay and the Niji-no-Matsubara pine forest.
Nearby
- Former Takatori Residence ≈ 10 min by car
- Former Karatsu Bank (Tatsuno Kingo Memorial) ≈ 10 min by car
- Karatsu Hikiyama Exhibition Hall ≈ 10 min by car
- Niji-no-Matsubara Pine Grove ≈ 15 min by car
- Mt. Kagami (Kagamiyama) ≈ 20 min by car
Travel times are rough estimates by car.
- Best time
- March, April — Cherry blossoms in late March and wisteria in late April in Maizuru Park
- Getting there
- About 20 min walk or 7 min by car from JR Karatsu Station
- Fee
- Keep: adults 500 yen, elementary/junior high 250 yen; park elevator 100 yen one way
- Good to know
- 9:00-17:00 (last entry 16:40; hours may change by season). Closed Dec 29-31
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-12. Report outdated info