Wallington is a country house and gardens located about 12 miles (19 km) west of Morpeth, Northumberland, England, near the village of Cambo. It has been owned by the National Trust since 1942, after it was donated complete with the estate and farms by Sir Charles Philips Trevelyan, 3rd Baronet, the first donation of its kind. It is a Grade I listed building. Some of the wealth of the Trevelyan family derived from the holding of slaves in Grenada.