With no inlet or outlet, Crater Lake is one of the clearest and deepest lakes in the world.
A Crater Lake tour boat awaits its daily tour group.
The quickest way to cool off in the lake's pristine waters is to jump!
The lake's azure waters prompted John Wesley Hillman to name it Deep Blue Lake in 1853.
At 1,943-feet deep, Crater Lake is the deepest lake in America and the ninth deepest in the world.
Brightly colored orange, red and green lichens at the water's edge indicate pure air quality.
Mount Scott (8,929'), the highest point in the park, looms in the distance along the caldera's eastern rim.