Kawah Ijen is known for two main things: its turquoise crater lake and its mystical blue flames. The lake, which is the largest acidic lake in the world,
![Kawah Ijen Volcano: A Natural Wonder of Indonesia](https://ijenexpedition.com/wp-content/uploads/2023/12/Salinan-dari-IJEN-EXPEDITION-TOUR-5-1200x737.jpg)
Kawah Ijen is known for two main things: its turquoise crater lake and its mystical blue flames. The lake, which is the largest acidic lake in the world,