The Salt River Valley is an extensive valley on the Salt River in central

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

, which contains the

Phoenix Metropolitan Area The Phoenix Metropolitan Area – also the Valley of the Sun, the Salt River Valley, or Metro Phoenix (known by most locals simply as “the Valley”) – is the largest metropolitan area in the Southwestern United States, centered on the city ...

. Although this geographic term still identifies the area, the name "Valley of the Sun" popularly replaced the usage starting in the early 1930s for purposes of

boosterism Boosterism is the act of promoting ("boosting") a town, city, or organization, with the goal of improving public perception of it. Boosting can be as simple as talking up the entity at a party or as elaborate as establishing a visitors' bureau. ...

. A common dust for testing air filter efficiency was derived from top soil dust from the Salt River Valley, referred to as Arizona Dust. The dust was found to include small abrasive particles. File:Salt River Map.jpg, Graphic of the "Salt River Drainage", the Mogollon Rim, and the

Arizona transition zone The Arizona transition zone is a diagonal northwest-by-southeast region across central Arizona. The region is a transition from the higher-elevation Colorado Plateau in Northeast Arizona and the Basin and Range region of lower-elevation desert ...

(central-west region)

References

{{Coord, 33.3811546, -112.3129333, display=title River valleys of the United States Valleys of Arizona Landforms of Maricopa County, Arizona Landforms of Gila County, Arizona