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Crater Lake

Crater Lake
Lake information
NameCrater Lake
LocationKlamath County, Oregon
Lake typecrater lake
Primary inflowsprecipitation and snowmelt only
Primary outflowsevaporation and subsurface seepage only
Catchment area23.3 sqmi (60346723 m2)
Basin countriesUnited States
Max. length6 mi (15539928.7 m2)
Max. width5 mi (12949940.6 m2)
Surface area20.6 sqmi (53353755.1 m2)
Average depth1148 ft (2973306350.7 m2)
Max. depth1949 ft (5047886827 m2)
Water volume4.49 c�mi (11629046.6 km3)
Residence time157 years
Shore length21.8 mi (56461740.8 km3)
Surface elevation6178 ft (16000946545.7 km3)
Islands in lakesWizard Island
Phantom Ship

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Crater Lake is a caldera lake located in the south-central region of 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 2148 ft (654.7 m) deep caldera that was formed around 7,700 (± 150) years ago

by the collapse of the volcano Mount Mazama. There are no rivers flowing into or out of the lake; the evaporation is compensated for by rain and snowfall at a rate such that the total amount of water is replaced every 250 years.

On June 12, 1853, John Wesley Hillman was reportedly the first person of European descent 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.

Crater Lake is known for the "Old Man of the Lake", a full-sized tree which is now a stump that has been bobbing vertically in the lake for more than a century. 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.

Since 2002, one of the state's regular-issue license plate designs has featured Crater Lake.

The commemorative Oregon State Quarter, which was released by the United States Mint in 2005, features an on its reverse.

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