Mizonokuchi Cave
In Japanese: 溝ノ口洞穴
A huge cave in welded tuff, 14.6 m wide and 6.4 m high at the entrance and 209.5 m long. It was named a National Natural Monument in 2021, the first national designation in Soo City.
National Natural Monument
Nearby
- Sekinoo Falls ≈ 15 min by car
- Lake Miike ≈ 35 min by car
- Kirishima Jingu Shrine ≈ 35 min by car
- Mt Takachiho-no-mine ≈ 35 min by car
- Miyakonojo Shimazu Residence ≈ 35 min by car
Travel times are rough estimates by car.
- Getting there
- About 15 min by car from JR Takarabe Station; about 50 min from Kagoshima Airport
Easier with a tour or car - Good to know
- For safety only the area near the entrance is open; the inner cave is dangerous and closed to visitors.
- Time needed
- 45 min
Checked against the official Japanese website on 2026-10-15. Report outdated info