Castlehill Pavement Works, Tower Pumping Windmill is a former wind-powered pumping mill at Castlehill near Olrig in Caithness. The site is protected as a scheduled monument.
Castlehill Pavement Works, Tower Pumping Windmill stands at Castlehill near Castletown and Olrig. It was a small masonry tower windmill used for pumping quarry workings connected with the pavement works. The monument was scheduled on 11 September 1980.
Castlehill Pavement Works, Tower Pumping Windmill was a former wind-powered pumping mill at Castlehill near Olrig in Caithness. The structure was a small masonry rubble tower or stump, probably used to pump water from the nearby quarry workings associated with the Castlehill pavement industry. It is associated with the nineteenth-century development of the Castletown flagstone and pavement works landscape.
The windmill was shown on nineteenth-century mapping and is recorded as Castlehill Windmill, Olrig in the scheduled monument designation. The site was scheduled on 11 September 1980. No detailed machinery description, maker, ownership sequence, or final working date has been established from the sources checked.