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. 
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. 
Public Domain Out with the invasive, in with the native... the Bull Trout Management Program in Sun Creek. 
NPS The rest of the story ...plants and animals at Crater Lake National Park. |
Last updated: March 7, 2019