Pothole (ポットホール)

Area
Goto
Category
Nature&Hot Spring
  • 2130views

Pothole, also known as either a giant's cauldronor or kettle, moulin pothole, or glacial pothole, is a typically large and cylindrical pothole drilled in solid rock underlying a glacier either by water descending down a deep moulin or by gravel rotating in the bed of subglacial meltwater stream.

Madara Island, one of the islands that belong to Ojika town, has the second-largest pothole in the world that is 3 meters deep and 90 cm in diameter (60 cm around the bottom)! Locals believe that this is a sacred place, building white torii gates to signify this. The white gates contrast beautifully with the blue sea in the background.
 

NOTE
-Please do not try to approach the pothole in wintertime due to the rough and dangerous sea.

Information

Address 857-4707 長崎県北松浦郡小値賀町斑島郷
TEL 0959-56-2646(NPO法人おぢかアイランドツーリズム協会)

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