In the seven thousand years since Mount Mazama's upper cone collapsed into a steep crater during a tremendous eruption, abundant snowmelt has accumulated to form the deepest lake in the Country, an impossibly large and beautiful circle of pure intense blue.
[CLICK on any picture to see a larger image and details, to add to selection, to order, and to download wallpaper.]
There are 27 color pictures on this page out of 264 color pictures of Crater Lake.