Sentinel Peak Park ('A' Mountain) will be closed from Sept. 13-27 to all traffic. Crews will be working to repair the rock structure of the "A" on the mountain. During this time no vehicular, bicycle, or pedestrian traffic will be allowed past the lower parking lot.
Once the mountain reopens on Tuesday, Sept. 28, the City of Tucson will be piloting new operating hours. The new hours are as follows: