A set of desktop wallpapers of Crater Lake National Park pictures in the United States is shared with everyone. Crater Lake is the deepest lake in the United States. It is located in the southern section of the Cascade Mountains in the northwest United States. It has an approximately circular outline and is one of the natural wonders of the world.Crater Lake is about 9.5 kilometers long and 589 meters deep, making it the second deepest lake in the American continent.