Picacho Peak, about 35 miles northwest of Tucson. 1500' tall. Beautiful wildflowers in the spring. Good hiking."Even though bizarre-looking Picacho Peak looks much like a volcanic neck, it is actually the faulted, tilted and eroded remains of a sequence of lava flows, except for the summit, which contains a large block of Precambrian granite."
http://www.desertusa.com/azpicacho/azpicacho.html
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