Blackberry Hill, also known as Mills House, is a historic plantation house located near Tryon, Polk County, North Carolina.

It was built about 1847, and is a two-story, five-bay, Federal style frame dwelling.

It has exterior gable end chimneys and flanking one-story wing additions.

The front facade features a two-tier colonnaded porch.

This article about a property in Polk County, North Carolina on the National Register of Historic Places is a stub.