Geology

Vermillion Valley and Crooked Creek Road. Viewpoint is in the middle of the photo. (photo by Rick and Susie Graetz) Vermillion Valley and Crooked Creek Road. Viewpoint is in the middle of the photo. (photo by Rick and Susie Graetz)

The Geology of Vermillion Valley
In addition to providing a spectacular and photogenic view, the Vermillion Valley Viewpoint is an excellent place to learn about the geology of the Pryor Mountains. From this one easily accessible viewpoint 200 million years of geologic history culminating in the Pryor Mountains and their geologic structure are visible.

Click to read and/or download a detailed description of this view as seen through the trained eyes of a geologist.


Pryor Mountain Road. (photo by Ray Masters) Pryor Mountain Road. (photo by Ray Masters)

Pryor Mountain Road Geology Tour
Pryor Mountain Road from Highway 310 south of Bridger MT into the Pryor Mountains is a drive back through 400 million years of geologic history. The record of this history is in the sedimentary rock layers that are exposed along the road in cliffs, hillsides, and roadcuts.

Click to read and/or download a mile by mile geologic road log of Pryor Mountain Road.