Golovnin caldera

Kunashir Island, Southern Kuriles

View from the south.	View of Golovnin caldera from the caldera wall.	Kipyasheye (Boiling) lake.
The remnants of Japanese mining of sulfur on the shore of Kipyasheye (Boiling) lake.	Goryacheye (Hot) lake.	Echosounding of Hot lake.