Ichimaiiwa Monolith, Kozagawa
In Japanese: 古座川の一枚岩
A single rock face about 100 m high and 500 m wide rising straight from the clear Koza River, seen from a roadside station opposite.
National Natural Monument
Nearby
- Takinohai Falls ≈ 25 min by car
- Hashigui-iwa Rocks ≈ 30 min by car
- Cape Shionomisaki ≈ 35 min by car
- Nachi Falls & Kumano Nachi Taisha ≈ 50 min by car
- Kumano Kodo Daimonzaka ≈ 55 min by car
Travel times are rough estimates by car.
- Getting there
- About 20 min by car or taxi from JR Koza Station
Easier with a tour or car - Fee
- Free
- Time needed
- 2 h
Checked against the official Japanese website on 2026-10-12. Report outdated info