火か山ざん湖こ

noun

crater lake; volcanic lake

A lake formed in a volcanic crater or caldera. Often used in geography and travel contexts.

See also: 火口湖

• 蔵ざ王おうの火か山ざん湖こはエメラルドグリーンで有ゆう名めいだ。

  The volcanic lake at Zao is famous for its emerald green color.

• この地ち域いきにはいくつかの火か山ざん湖こが点てん在ざいしている。

  Several crater lakes are scattered around this area.