The cliffs in Smith Rock State Park, near Terrebonne, Oregon, are formed of volcanic basalt and normal erosion by weather and the Crooked River at their base. The waterway in lower left of photo is the North Unit Main Canal, using water from the Deschutes and Crooked rivers, to supply irrigation to farmers and ranchers in Jefferson County to the north. The Three Sisters, South, Middle and North. in the Oregon Cascade Range. dominate the western horizon.
<a href="//commons.wikimedia.org/wiki/User:Tequask" title="User:Tequask">Tequask</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>