Alndyke farm is the best place for self catering and Bed and Breakfast in Northumbria, Northumberland near to Alnwick with Alnwick Garden and Harry Potter castle. Alndyke Farm. Northumbria's finest self-catering and place to stay, including bed and breakfast in Northumberland. Cheviot hills and Bamburgh castle only minutes away. Visit Alndyke farm if you plan to stay in Northumberlamd. This page uses frames, but your browser doesn't support them.