Crater Lake National Park is fast approaching its 100th birthday. The celebration of one of our nation's oldest parks is a testament to the courage and determination of William G. Steel and the countless others who have been involved in the preservation of this national treasure. Crater Lake was formed after the collapse of an ancient volcano, posthumously named Mount Mazama. This volcano violently erupted approximately 7,700 years ago. That eruption was 42 times as powerful as the 1980 eruption of Mt. St. Helens. The basin or caldera was formed after the top 5,000 feet of the volcano collapsed. Subsequent lava flows sealed the bottom, allowing the caldera to fill with approximately 4.6 trillion gallons of water from rainfall and snow melt. See all the Images - Click Here * Crater Lake is the deepest lake in the United States * The second deepest lake in the Western Hemisphere * The seventh deepest lake in the world * Maximum lake depth: 1932 feet * Average lake depth: 1500 feet * Maximum lake width: 6 miles * Hillman Peak, highest point on rim: 8151 feet * Mount Scott, highest point in park: 8929 feet * Rim Village elevation: 7100 feet * Precipitation, yearly average: 66 inches * Snowfall, yearly average: 44 feet * Maximum snow depth at Park Headquarters: 21 feet |
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