The Lava Lake of Erta Ale Volcano in Ethiopia

Erta Ale is an active shield volcano located in the Afar Region of northeastern Ethiopia. It is the most active volcano in Ethiopia. Erta Ale stands 613 metres tall, with a lava lake, one of only four in the world-Erta Ale means "smoking mountain" in the local Afar language and its southernmost pit is known locally as "the gateway to hell". link