Hang Én
Hang Én, occasionally referred to as Én cave in English, is a cave in Phong Nha-Ke Bang National Park, a UNESCO World Heritage Site. Én is the third largest cave in the world, after Hang Sơn Đoòng in the same national park, and Deer Cave in Malaysia. The cave has its own jungle, waters, beach, and climate. There are three known entrances to Hang Én.
The cave, which goes through a mountain for, has a maximum height around, and a maximum width of approximately is a feeder to Hang Sơn Đoòng, away. The only ways to reach the cave are by helicopter, or an approximately four-hour jungle trek from the nearest road.
Both Én and Sơn Đoòng were featured in footage aired on the television program Good Morning America in May 2015, dubbed one of "the top 10 cultural events of the year" in Vietnam by Viet Nam News. Hang Én was selected by the US-based Warner Bros. as a shooting location for the 2015 film Pan.
