Today we are going to reveal one of the most amazing places in this world named as the Crater Lake. It is also known Caldera Lake located in the western part of United States. It is the centre of attraction in National Park and very well-known for its pure blue colour. An analyst says that, it is almost 150 years old formed by the collapse of Mazama volcano. As per survey result, it is the deepest among all and its estimated depth is around 592 meters. Not only in USA, it is ranked at 9th position in the whole world as deepest lake. ‘Old Man of the Lake’ is another name of this beautiful place.