Translation guide
A lake that forms in a volcanic crater or caldera.
Referring to a lake formed within a volcanic crater or caldera.
The standard term for a crater lake, specifically one in a volcanic crater.
この火口湖はとても美しい。
This crater lake is very beautiful.
Refers to a lake in a caldera, a larger volcanic depression. Often used for well-known lakes like Lake Tōya.
A descriptive phrase meaning 'lake of the crater'. Less technical, more explanatory.
あの山の火口の湖は青く輝いている。
The crater lake of that mountain is shining blue.
洞爺湖はカルデラ湖です。
Lake Tōya is a caldera lake.