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Boasting one of our planet's most spectacular and accessible geologic cross-sections, Grand Canyon routinely draws geology buffs of all stripes. And one of the best opportunities to take it all in is to cross the canyon along the fabled rim-to-rim route; one of the quintessential hikes in North America. This class will do just that. Along the way, participants will examine the canyon’s rich geological story, from ancient Precambrian metamorphic rocks to recent debris flows. Discussions will include the structural geology, stratigraphy, hydrology and formation theories as evidenced along this amazing 24-mile route. Roaring Springs, Ribbon Falls, Phantom Ranch and Plateau Point are but a few of the treasures awaiting those who take part in this moderate-intensity backpack.

After being shuttled to the North Rim, the class will spend its first night at the North Rim Campground. During the precipitous descent into the canyon, participants hike from an aspen-clad forest to the banks of a desert stream in a few short hours. Nights are spent at Cottonwood, Bright Angel and Indian Garden Campgrounds respectively. The final day of class includes a 4.5-mile hike to the top via the Bright Angel Trail, each hiker traveling at his or her own pace. Note: recent, comparable backpacking experience is a prerequisite for all GCFI rim-to-rim backpacking classes.