Soar up and over the towering walls of Grand Coulee, the awesome heart of the Channeled Scablands, a mazelike network of canyons etched into the expanse of the Columbia Plateau by the violent torrents of the Missoulla Floods. From these soaring rock walls pour the spray of melting winter snow, Paynes Gulch Falls, which tumbles from such height that the fineness of its outpouring glimmers in a cascade of translucent rainbows lit vividly against the ocher sunset hues of the coulee walls.
