Wallington Demesne is a civil parish in the county of Northumberland, England.

The parish includes the village of Cambo and the hamlets of Middleton and Scots' Gap.

The hottest month is July, at 14 °C, and the coldest is February, at 0 °C.

[citation needed] Wallington Park and Garden is a Grade II* listed building.

[1] Wallington Demesne was formerly a township in the parish of Hartburn,[2] in 1866 Wallington Demesne became a separate civil parish, on 1 April 1955 the parishes of Cambo, Corridge, Deanham, Hartburn Grange, Highlaws, North Middleton, South Middleton and Todridge were abolished and merged with Wallington Demesne.