Genbudo Cave
In Japanese: 玄武洞
Caves of neat hexagonal basalt columns formed by lava about 1.6 million years ago. Basalt (genbugan) is named after this place, and its rock led to the discovery of geomagnetic reversal.
Natural Monument, San'in Kaigan National Park
Nearby
- Kinosaki Onsen ≈ 25 min by car
- Amarube Viaduct Sora no Eki ≈ 55 min by car
- Kotohikihama Beach ≈ 1 h by car
- Izushi Castle Town ≈ 1 h 10 min by car
- Yumura Onsen ≈ 1 h 10 min by car
Travel times are rough estimates by car.
- Getting there
- Zentan Bus from JR Toyooka Sta. (about 25 min) or Kinosaki Onsen Sta. (about 15 min) to 'Genbudo Koen'
- Fee
- Adults ¥500, students ¥300
- Good to know
- 9:00-17:00 (no entry after 16:30); closed Dec 29-Jan 3. After a rockfall in March 2026 a fence limits part of the viewing area at Genbudo
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-15. Report outdated info