On a 5 day vacation and I actually hiked North Mountain which is part of the Phoenix Mountain Preserve. Very well maintained trail. Part gravel/rocky and some road. Steep in sections. It took about an hour to climb it and was very hot, but I was prepared as had plenty of water and took my time. Easy 1/2 day trip and just a few miles north of Phoenix downtown. Great views and some wildlife including birds and lizards. If not use to hiking, I recommend getting a map to get familiar with the trails and hike early morning or near sunset to avoid summer heat.
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