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Crater Lake is a caldera lake located in the U.S. state of Oregon. It is the main feature of Crater Lake National Park and famous for its deep blue color and water clarity. The lake partly fills a nearly 1,958 foot (597 m) deep caldera[1] that was formed around 7,700 (± 150) BC[2] by the collapse of the volcano Mount Mazama.On June 12, 1853, John Wesley Hillman was reportedly the first European American to see what he named "Deep Blue Lake" in Oregon. The lake was renamed at least three times, as Blue Lake, Lake Majesty, and finally Crater Lake.[3][4]
Crater Lake is known for the "Old Man of the Lake", a full-sized tree that has been bobbing vertically in the lake for more than a century.[5] Due to the cold water, the tree has been rather well preserved.
While having no indigenous fish population, the lake was stocked from 1888 to 1941 with a variety of fish. Several species have formed self sustaining populations.[6]
The commemorative Oregon State Quarter, which was released by the United States Mint in 2005, features an image of Crater Lake on its obverse.
Crater Lake - Wikipedia
