The lake (1,943 feet deep) lies inside a caldera, or volcanic basin, and was created when the 12,000 foot high Mount Mazama collapsed 7,700 years ago following a large eruption. Because the lake is filled almost entirely by snowfall, it is one of the clearest lakes in the world.
Is Crater Lake one of the 7 Wonders of the world?
The Cave of Crystals, Everglades, Crater Lake and Canyonlands are just some of nature attractions that are arguably viable candidates as wonders of nature, but not on the list.
Why is Crater Lake so famous?
Can you drink the water in Crater Lake?
Why doesn't the park just use the water in Crater Lake? Consuming Crater Lake water would conflict with the park's mission to preserve the lake. The park's water claim for the lake is for the preservation and protection of all natural habitats and the conservation of scenery. It is not for human consumption.
Why is Crater Lake full of water?
—The water of Crater Lake is derived from rainfall and snowfall, also from the snow blown into the depression. The lake has no inlet and no outlet, except by seepage. Evaporation, seepage, and precipitation are in a state of balance which maintain an approximately constant water level.