The Chan-Ya-Ta Site is a Late Prehistoric village in Buena Vista County, Iowa

Buena Vista County, Iowa

-2010 census:The 2010 census recorded a population of 20,260 in the county, with a population density of . There were 8,237 housing units, of which 7,522 were occupied.-2000 census:...

 in which Native Americans lived in large earthlodge structures surrounded by a fortified ditch.

The site is part of the Mill Creek Culture, which flourished in northwest Iowa 1100-1200 CE.

The site name is an amalgam of the first letters of the names of the different landowners who allowed access to the site, and is pronounced "chen-yata". It was the scene of the first Iowa Archeological Society field school.