Li County, Hunan

county in Hunan, China

alt=Entrance of the chengtoushan ruins.jpg|thumb|Entrance of the Chengtoushan ruins alt=The Ancient City Wall of the Chengtoushan Ruin|thumb|The ancient wall at Chengtoushan Chengtoushan () was a Neolithic settlement located on the northwestern edge of Dongting Lake in Li County, Hunan, China.

thumb|Bone spade. Bashidang site.