Crater Lake, Volcanic crater lake in Oregon, US
Crater Lake is a volcanic crater lake in Oregon that fills a caldera with water reaching depths of 1,949 feet (594 meters), making it the deepest lake in the United States. The water appears in intense shades of blue created by its exceptional purity and depth, while a small volcanic cone called Wizard Island rises from the surface.
The collapse of Mount Mazama during a massive volcanic eruption 7,700 years ago created the caldera that gradually filled with rain and snowmelt. European-American gold prospectors discovered the lake in 1853, and it was designated as the fifth United States national park in 1902.
The Klamath tribes call the lake Giiwas and hold it as a sacred site tied to their spiritual practices and ancestral memory. Visitors can learn about its importance to indigenous communities through interpretive signs and stories shared throughout the park.
The lake receives water only through rain and snow, with its entire volume naturally replaced every 150 years through this process. The high elevation and climate mean snow often remains on roads around the caldera until early summer, limiting full access to the rim road during those months.
A wooden log known as Old Man of the Lake has floated vertically in the cold waters since at least 1896. Rangers have observed the log at different spots across the lake over the decades, moved by wind and currents but never tipping over or sinking.
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