Old Cassop
Template:Short description Template:Use dmy dates Template:Use British English Template:Infobox UK place Old Cassop is a hamlet in the civil parish of Cassop-cum-Quarrington, in County Durham, England. It is situated a few miles to the south-east of Durham.
Old Cassop is about a quarter of a mile south of the A181 road and is accessible only by an unclassified single-track road. In 1981 it became a conservation area to preserve its character, it was reviewed in 2009.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The conservation area includes the fields that lie between the village and the A181.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>