Broxbourne Mill is located at the Old Mill and Meadows Site Lee Valley Park, Broxbourne, Hertfordshire.
The millpool and stream. The West Anglia Main Line railway bridge is in background
A sluice is a water channel containing a sluice gate, a type of lock to manage water flow and water level. There are various types of sluice gates, including flap sluice gates and fan gates.
A sluice gate
Xihe Regulating Sluice in Yangliuqing Town, Xiqing District, Tianjin Municipality
A small wooden sluice in Magome, Japan, used to power a waterwheel
Sluice gates near Henley, on the River Thames