Crater Lake: The Klamath Saw the Mountain Fall

Seven thousand seven hundred years ago, Mount Mazama stood roughly twelve thousand feet tall in what is now southern Oregon. The Klamath people lived in its shadow. In a matter of days, perhaps weeks, the mountain destroyed itself. An eruption of extraordinary violence emptied the magma chamber beneath the peak, and the summit collapsed inward into the void. The caldera that remained filled over centuries with snowmelt and rain. The lake it became is one thousand nine hundred forty-three feet deep at its deepest point, the deepest in the United States and one of the clearest bodies of water on earth.

The Klamath people recorded what happened. Their oral tradition describes a conflict between Llao, spirit of the world below, and Skell, spirit of the sky above. The battle raged. Fire rained down. The mountain that had been Llao's home was driven underground and collapsed. Skell claimed the sky. Geologists who studied the Klamath accounts in the twentieth century recognized them as eyewitness descriptions of a caldera-forming eruption, passed faithfully through seven thousand years of oral tradition.

Crater Lake National Park was established on May twenty-second, nineteen oh two, making it the fifth national park in the United States. The Euro-American "discovery" of the lake was credited to John Wesley Hillman, who saw it in eighteen fifty-three. The Klamath had been there for six thousand years before Hillman arrived. Their access to the sacred site was then restricted to the same terms as any tourist: buy a park pass, follow the road.

The lake itself is extraordinary. Its color, an almost implausible blue, comes from the depth and clarity of the water, which absorbs every wavelength of light except blue. On a clear day, visibility underwater reaches one hundred thirty feet. Standing at the rim, you can see the geometry of the caldera clearly, a perfect bowl that was once the heart of a mountain.