The Sleaford Navigation was a 12.5-mile canalisation of the River Slea in Lincolnshire, England, which opened in 1794. It ran from a junction with the River Witham, near Chapel Hill to the town of Sle
The derelict chamber at Haverholme Lock awaiting restoration
The road bridge just below Haverholme Lock
The flood gates at the entrance to the Navigation, designed to close as levels in the River Witham rise
Remains of the Lock chamber at Cogglesford Mill. The upstream gate has been replaced with a sluice to maintain the head for the mill, which is still in use.
Cogglesford Mill is a Grade II listed working watermill in Sleaford, Lincolnshire. It is possibly the last working Sheriff's Mill in England.
Sleaford Navigation
…the Navigation Trust was able to buy the bed of the river between Carre Street in Sleaford and Bone Mill, which included the lock and its island at Cogglesford Mill. Lower Kyme lock was refurbished in the winter of 2008. The upper gate is a vertical guillotine gate, and the mechanism required 350 turns of a handle…
General view of the mill from upstream, with the small millpool formed by the river above the sluice.