Hey man I live in Lehi, so let me know when your thinking of going. 5 mile is really the closet. but you can ride Lake Mt, it's okay, Mainly dirt roads, but some trails as well. I found a single track out there that was pretty sweet, but pretty technical too. If you ride up top (from the backside) it's an incredible view of the lake. Canchez is right, watch out for the shooters on the south end. believe or not I have actually been shot at out there Mt biking, made me want to go home and grab an AR. anyway look me up if your going out there somewhere.