Yes, they have very nice MTB trails. Between 6 and 8 miles depending on way you go. Is very rugged (lots of gypsum & cactus), but is quite fun, adventurous and exciting. I would recommend knee & elbow pads. Take a lot of water in summer.
Yes
Yes, most are east if the lakes.
Yes, I do agree
Yes, how many though I'm not sure look on Google Earth
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