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Securing Arizona's Water Future
Geography of the Upper Hassayampa Basin

The Upper Hassayampa Basin, located in the eastern part of the planning area is the smallest basin in the planning area at 787 square miles.  Geographic features and principal communities are shown on Figure 5.4-1.  The basin is characterized by mid-elevation mountains and valleys. Vegetation types include Arizona upland Sonoran and Mohave desertscrub, semi-desert grassland,  interior chaparral and small areas of montane conifer forest. (see Figure 5.0-10) Riparian vegetation including mesquite and cottonwood/willow is found along the perennial portions of the Hassayampa River.

 

Principal geographic features shown on Figure 5.4-1 are:

  • Hassayampa River running north to south through the center of the basin and Wickenburg

  • Martinez Wash and Antelope Creek in the center of the basin

  • Weaver Mountains northeast of Congress, the Bradshaw Mountains along the eastern basin boundary and the Date Creek Mountains north of Congress

  • The highest point in the basin is about 7,000 feet in the Bradshaw Mountains east  of Wagoner

  • The lowest point in the basin at 1,900 feet at Allah where the Hassayampa River exits the basin

Click to view Figure 5.4-1

Click to view Figure 5.4-1 Upper Hassayampa Basin Geographic Features

 

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References and Supplemental Reading for the Upper Hassayampa Basin

Colorado River Central Highlands Planning Area Download entire Central Highlands Planning Area Atlas in pdf Back road to Wickenburg Desert