A guidebook to the “Roadside Geology of Mount Rainier National Park and Vicinity” that provides an interpretive overview of volcanic experiences, past and present, in and around Mt. Rainier. The centerfold maps the roads to and through the park with a mile-by-mile narrative describing the geology and other interesting features. 290 photos and illustrations, some of them historic, help the reader understand the forces of nature and the awesome geological complexities. Glaciers, lahars, lava and even buried forests are explained in detail. Historic accounts and current geothermal activity pave the way for this journey through geologic time.