Easby Abbey or the Abbey of St Agatha is an abandoned Premonstratensian abbey on the eastern bank of the River Swale on the outskirts of Richmond in the Richmondshire district of North Yorkshire. The site is maintained by English Heritage and can be reached by a riverside walk from Richmond Castle.
The Abbey of St. Agatha, Easby, was founded in 1152 by Roald, Constable of Richmond Castle. The inhabitants were canons rather than monks. The Premonstratensians wore a white habit and became known as the White Canons.The White Canons followed a code of austerity similar to that of Cistercian monks. Unlike monks of other orders, they were exempt from episcopal discipline. They undertook preaching and pastoral work in the region (such as distributing meat and drink).