I just spent a few months about an hour south of tucson. While there I asked a few of the locals about Mt lemon and apparently there was a fire there recently which pretty much destroyed most of the trails. Now the Big DH park is further north on White mountain. Though I did get to sample carr canyon, miller canyon, ramsey canyon, as well as star mountain, and fantasy island. All very nice spots to ride. I just wish there were more shuttles running.