Colorful blue-green waters, characteristic of the upper South Fork Umpqua River, flow through carved bedrock made of volcanic tuff. Umpqua National Forest, Douglas County, Oregon Cascades landscape photography.

Colorful blue-green waters, characteristic of the upper South Fork Umpqua River, flow through carved bedrock made of volcanic tuff.
Umpqua National Forest, Douglas County, Oregon Cascades landscape photography.