Heart of Rocks Loop Topo Map

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A day loop through the head of Rhyolite Canyon, 8.4 miles round trip. This popular route makes a long day loop, visiting the most spectacular rock formations in Chiricahua National Monument. These formations were once a giant bed of superheated ash spewed forth from a caldera in the heart of the Chiricahua Mountains about 25 million years ago. The ash solidified into a rock called “welded tuff” as it cooled, with bands of varying widths marking different eruptions. Later, a dome-shaped uplift raised this layer of tuff unevenly, and stress fractures called “joints” crept down through the rock in a geometric pattern. These joints provided avenues for storm runoff, and over the centuries erosion dissected the formerly solid sheet of stone into the columns, spires, and hoodoos we see today. Some of these formations have suggestive shapes and have been named by passing travelers. The trail also takes in the upper watershed of Rhyolite Canyon, which is closed to backcountry camping.
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Willcox, Arizona

Get Heart of Rocks Loop Topo maps on Trails.com. One of Arizona's best walks, Heart of Rocks Loop is located near Willcox, AZ. Trails' printable online topo maps offer shaded and un-shaded reliefs, and aerial photos too! Use topographic map functionality to find elevation, print high resolution maps, save a PNG, or just learn the topography around Heart of Rocks Loop. You can also get free latitude and longitude coordinates from the topographical map and set your GPS. Subscribers with access to our maps can download or print any topo, and cover more terrain when you map your Heart of Rocks Loop route ahead of time.