Sitegraves Pass 2 AZ

This region is volcanic in origin, resulting in an area that is characterized by large mesas, steep cliffs, slopes, rocky foothills, alluvial fans and sandy washes. The climate is hot, windy and dry, with summertime temperatures exceeding 120 degrees, while the lows can be a chilly 25 degrees. Along the Colorado River, the area receives an average rainfall of just three inches. But, at the higher peaks, the soil drinks in up to 12 inches of rain annually. There are three wilderness areas within the Black Mountain HMA boundaries, resulting in a rich, fragile desert.