The geology of the Pacific Northwest is varied, and its expression in the landscape is a major factor
in the scenic beauty of this region. The Pacific Northwest landscape has been shaped by plate tectonics
and millions of years of volcanic activity. Visitors will find many opportunities to examine the scenic geology
and see and collect samples of rocks, minerals and fossils. For more information on geology please visit the Oregon Department
of Geology and Mineral Industries website at http://www.oregongeology.org/sub/default.htm .