Sentinel Peak, “A” Mountain | Tucson, AZ – Visit Tucson

Sentinel Peak, also known as “A” Mountain, is a prominent landmark, hiking trail, park and sunset-watching destination in the Tucson Mountains on the west side of Downtown Tucson. Every day, hundreds of people walk, bike and drive on Sentinel Peak Road, which climbs and encircles Sentinel Peak Park. The 2,897-foot mountain is made up of several layers of igneous rock representing various …

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