The Three Castles Walk is a waymarked long-distance footpath and recreational walk in north-east Monmouthshire, Wales, linking Skenfrith, Grosmont and White Castles.
The Three Castles Walk covers on a circular route.
The route links Skenfrith Castle Grosmont Castle and White Castle It follows woods and hills and takes the walker over Graig Syfyrddin (Edmunds Tump), from which there are views of the Welsh Marches, the mountains of South Wales, including the Black Mountains, and the Forest of Dean and beyond.
The Three Castles Walk links with the Offa's Dyke Path (at White Castle) and the Monnow Valley Walk (at Skenfrith and Grosmont).