There are a few boulder falls and small pour offs in the upper canyon. The roughest parts of the canyon are only of moderate difficulty. One can hike from the upper part to the lower in two days, although more time is re

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Date: 2014-12-10 13:25:09 Colorado Plateau Grand Canyon Geography of the United States Camping Campsite Geography of Arizona Colorado River Physical geography		There are a few boulder falls and small pour offs in the upper canyon. The roughest parts of the canyon are only of moderate difficulty. One can hike from the upper part to the lower in two days, although more time is re Add to Reading List Source URL: www.blm.gov Download Document from Source Website File Size: 1,28 MB Share Document on Facebook