Rocks & Minerals


Interested in Geology?

Take a drive along one of the scenic byways on the GMUG and learn how the dynamic geology of the area has shaped the land and settlements of western Colorado. The GMUG has several road logs with descriptions of the geology of McClure Pass, Kebler Pass and the Grand Mesa. For more information on each road log click here.


Fossils are the traces of past life!

Learn more about Paleontology and where you can collect fossils!

Areas & Activities