Oka Castle Ruins
Open by month
Partly closed in January: Cherry blossoms in early Apr (festival); autumn leaves mid to late Nov; closed Dec 31-Jan 3. New Year (Dec 29 – Jan 3): closed.
Open in February. No seasonal closure recorded.
Open in March. No seasonal closure recorded.
Open in April — at its best. The curving stone walls and the Rentaro Taki statue.
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 — at its best. The curving stone walls and the Rentaro Taki statue.
Partly closed in December: Cherry blossoms in early Apr (festival); autumn leaves mid to late Nov; closed Dec 31-Jan 3. New Year (Dec 29 – Jan 3): closed.
Checked against the official site on 2026-10-12.
Tall stone walls of a mountain castle on a cliff-ringed plateau above Taketa, with views to the Kuju and Aso mountains from the main enclosure.
National Historic Site
Nearby
- Harajiri Falls ≈ 20 min by car
- Hakusui Dam ≈ 30 min by car
- Chinda Falls ≈ 30 min by car
- Nagayu Onsen ≈ 30 min by car
- Inazumi Underwater Limestone Cave ≈ 40 min by car
Travel times are rough estimates by car.
- Best time
- April, November — The curving stone walls and the Rentaro Taki statue
- Closed or limited
- Cherry blossoms in early Apr (festival); autumn leaves mid to late Nov; closed Dec 31-Jan 3
- Getting there
- About 5 min by car from JR Bungo-Taketa Station
Easier with a tour or car - Fee
- Adults 300 yen; children 150 yen
- Good to know
- 9:00-17:00; closed Dec 31-Jan 3; steep stone steps
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-12. Report outdated info