Crater Lake: Quick Facts

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Oregon: Crater Lake

Deep blue Crater Lake with a snow-covered island and surrounding cliffs, seen from a high vantage point with a tall evergreen tree in the foreground.

Map showing the location of Crater Lake in southern Oregon, United States, with state borders for Oregon, California, Nevada, Idaho, and Washington. A small circle marks Crater Lake, and an inset globe highlights the region's position in North America.

Crater Lake National Park

How volcanic activity formed Crater Lake and Wizard Island

Discover how the volcanic disruption of Mount Mazama created Crater Lake

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