Erta Ale is an active shield volcano in the Afar Region of Ethiopia, known for its persistent lava lake, one of only a few in the world. Visiting requires a guided tour due to the harsh environment and security concerns. The journey typically involves several days of travel through the Danakil Depression. Accessibility is extremely limited, with rugged terrain requiring 4x4 vehicles and trekking. It's advisable to avoid visits during the hottest months (May-September) due to extreme temperatures. The cost for a multi-day tour can range from $500 to $1000+ per person, covering transportation, security, guides, and accommodation. A typical visit duration is 3-4 days, including travel time to and from the volcano.