The trail can be grueling since its elevation is 1,000 feet higher than the hikes along the South Rim. In the summer, the hot Arizona sun is unforgiving to hikers (there is little shade along the ...
Tucson, Arizona, is a must-visit destination ... Visitors can follow the Astro Trail by pulling up the official map (or printing it), or by signing up for a mobile passport on Visit Tucson ...
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