• Wizard Island

    Crater Lake

    National Park Oregon

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  • Road Construction Update

    A section of the East Rim Drive will be closed to traffic (vehicles, bicycles & pedestrians) for a rockfall mitigation project. Aug. 13th- mid Sept., Mon-Fri, 7 AM- 5 PM, Between Sun Notch and Phantom Ship Overlook. (Sun Notch Trail, Pinnacles Road Open.) More »

  • Stage 1 Fire Restrictions in Effect

    To ensure public safety and to provide the highest degree of protection to park resources, restrictions on campfires, smoking, and fireworks are in effect. More »

Nature and Science

 
View of the geology of the caldera.

NPS

Mount Mazama - from a gigantic 400,000 year old mountain to a hollow shell in 48 hours! Learn about the geology of Crater Lake National Park here.

 
Neuston

NPS

The lucky 100 ... in the past seven-thousand years only about one-hundred scientists have ventured onto Crater Lake to study the lake's beautiful color, strange chemistry, and wild physics. Learn about the science and research of Crater Lake here.

 
Bull Trout

Public Domain

Out with the bad fish, in with the good... the Bull Trout Management Program in Sun Creek.

 
Spotted Owl

NPS

The rest of the story ... plants and animals at Crater Lake National Park.

 
Science & Learning Center

NPS

Where scientists, educators, and artists mingle ... the Crater Lake Science & Learning Center.

Did You Know?

Did You Know?

Crater Lake was formed when a massive eruption of Mount Mazama 7700 years ago caused the mountain to collapse, leaving a steaming caldera. Centuries of rain and snow filled the caldera creating Crater Lake.