Potters Bar Brook is a 3.3 km (2.0 mi) long

stream A stream is a continuous body of water, body of surface water Current (stream), flowing within the stream bed, bed and bank (geography), banks of a channel (geography), channel. Depending on its location or certain characteristics, a stream ...

(

brook A brook is a small river or natural stream of fresh water. It may also refer to: Computing *Brook, a programming language for GPU programming based on C *Brook+, an explicit data-parallel C compiler *BrookGPU, a framework for GPGPU programming ...

) in

Hertfordshire Hertfordshire ( or ; often abbreviated Herts) is one of the home counties in southern England. It borders Bedfordshire and Cambridgeshire to the north, Essex to the east, Greater London to the south, and Buckinghamshire to the west. For govern ...

, England, that is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

to the

Mimmshall Brook Mimmshall Brook is a long stream (brook) in Greater London and Hertfordshire, England. Rising from two sources—one in Hertsmere, Hertfordshire, and the other in Arkley, London Borough of Barnet—the brook drains into a catchment area of ...

. Rising in the town of Potters Bar, Potters Bar Brook flows a northwesterly course through the former golf course

Potters Bar Golf Club A potter is someone who makes pottery. Potter may also refer to: Places United States *Potter, originally a section on the Alaska Railroad, currently a neighborhood of Anchorage, Alaska, US * Potter, Arkansas *Potter, Nebraska * Potters, New Je ...

until flowing under the

East Coast Main Line The East Coast Main Line (ECML) is a electrified railway between London and Edinburgh via Peterborough, Doncaster, York, Darlington, Durham and Newcastle. The line is a key transport artery on the eastern side of Great Britain running broa ...

via a

culvert A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe, reinforced concrete or other material. In the United Kingdom ...

. Then, it flows a westerly course through Warrengate Farm until flowing into Mimmshall Brook.

References

Rivers of Hertfordshire {{England-river-stub