Barnwell House, also known as Prospect Hill Plantation, is a historic home located at Adams Run, Charleston County, South Carolina.

It consists of the front or main portion dating from 1878 and the rear section from early to mid-19th century.

The front façade features a one-story portico with a bell cast hip roof supported by two solid Doric order fluted columns.

[2][3] It was listed on the National Register of Historic Places in 1980.

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