Sif Vaya is a populated place situated in Pinal County, Arizona, United States.

[2] Over the years it has also been known as Bitter Well, Bitter Wells, Bitters Well, and Sivvaxia.

Sif Vaya, which means bitter well in O'odham, became the official name as a result of a decision by the Board on Geographic Names in 1941.

It has an estimated elevation of 1,965 feet (599 m) above sea level.

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