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Atascosa Mountains

The Atascosa Mountains are a mountain range in western Santa Cruz County, Arizona. It is sandwiched between the larger Tumacacori Mountains to the north and the Pajarito Mountains to the south. The highest peak is Atascosa Peak at 6,440 feet. Peña Blanca Lake on Ruby Road marks Atascosa's southern border. 

Recreation Sites

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Ruby Road #289/39 Scenic Drive

Scenic Drives
Good views of rolling hills and towering buttes, a desert oasis inhabited by rare plants and birds, an old ghost town and two picturesque lakes provide ample reason to spend a day along this border…

Last updated April 8th, 2025