|  | | Clayrack Drainage Mill, nr Ludham Location Grid reference - TG 369 194 OS Sheet - 134 About 200 yds N of Boardman's drainage mill on the same bank of the river Ant. A hollow post drainage mill with a full set of patent sails and a scoop wheel. It was originally situated at Ranworth Broad, and fell into disuse in 1903. It was moved to its present position in the 1980s. Opening Times Visible at all times from the river and public footpath. National Mills Weekend opening times Visible at all times Contact How Hill Trust, 01692 678763, or Norfolk Windmills Trust 01603 222705. | |