七ツ釜鍾乳洞

Nanatsugama shōnyūdō - Nanatsugama Limestone Cave


Useful Information

Location: North of Saikai, follow Route 202 north.
Open: APR to SEP 9-18, last entry 17:30.
OCT to MAR 9-17, last entry 16:30.
[2020]
Fee: Adults JPY 520, Middle School JPY 310, Elementary School JPY 210, Infant (4-6) JPY 100.
Groups (20+): Adults JPY 410, Middle School JPY 260, Elementary School JPY 150, Infant (4-6) JPY 100.
[2020]
Classification: SpeleologyKarst cave
Light: electric.
Dimension: L=1,600m, T=14-16°C.
Guided tours: L=320m
Photography:
Accessibility: no
Bibliography:
Address: Nanatsugama limestone cave, 2541-1 Nakaura Kitago, Saikai Town, Saikai City, Nagasaki Prefecture, Tel: +81-959-33-2303.
As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
Please check rates and details directly with the companies in question if you need more recent info.

History

AUG-1954 cave discovered and first explored by the locals including the headmaster of Nanakama Jinjo Elementary School.
JUL-1964 designated a scenic spot by the Governor of Nagasaki.
DEC-1983 designated a natural monument by the Ministry of Education.

Description

The 七ツ釜鍾乳洞 (Nanatsugama shōnyūdō) or Shimizu Cave is formed inside a 30Ma old limestone. The small karst area has so far 35 known caves.

The cave also offers cave trekking tours for groups after appointment.

The cave visit is completed by a small museum which shows rocks and fossils from the Paleozoic to Cenozoic. Most of the exhibits are fossils from the local limestone or speleothems from the cave.