Looking northwest from the summit of Squaw Peak in the Phoenix Mountains Preserve, you can look down onto State Route 51 (Piestewa Freeway, aka Squaw Peak Parkway) as it snakes through the .  Most of the rocks visible in this view are in age.
   One exception is Lookout Mountain, which is in the upper right corner of this picture, in the distance.  It is partly composed of volcanic rock.
 
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   See the GeoHistory page if you want to know more about why the landscape looks the way it does, or return to the map of "The Rocks of the Valley of the Sun" for more view locations.
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