There are 1437 scheduled monuments in the county of Northumberland, England.
[1] These protected sites date in some cases from the Neolithic period, and include barrows, medieval settlements, ruined abbeys, castles, and Roman forts.
[2] In the United Kingdom, the scheduling of monuments was first initiated to ensure the preservation of "nationally important" archaeological sites and historic buildings.
Protection is given to scheduled monuments under the Ancient Monuments and Archaeological Areas Act 1979.
[3] This is a partial list of scheduled monuments in Northumberland.