Law Brook, Surrey

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Law Brook
Postford Brook
Brook, Brook - geograph.org.uk - 655936.jpg
Law Brook flowing westwards from the hamlet of Brook towards Postford
Country England
County Surrey
Borough Guildford Borough
Source Gasson Farm, The Hurtwood and sources in Peaslake proper
 - location Peaslake, Shere, Borough of Guildford
 - elevation 148 m (486 ft)
 - coordinates 51°11′02″N 0°26′38″W / 51.18389°N 0.44389°W / 51.18389; -0.44389
Mouth River Tillingbourne
 - location Colyers Hanger, Albury (foot), Borough of Guildford
 - elevation 50 m (164 ft)
 - coordinates 51°13′20″N 0°31′00″W / 51.22222°N 0.51667°W / 51.22222; -0.51667Coordinates: 51°13′20″N 0°31′00″W / 51.22222°N 0.51667°W / 51.22222; -0.51667
Discharge for Albury [1]
 - average 0.11 m3/s (4 cu ft/s)
 - max 0.8 m3/s (28 cu ft/s) (15 September 1968)
 - min 0.05 m3/s (2 cu ft/s) (4 August 1992)

The Law Brook or Postford Brook is a Surrey stream, a tributary of the Tillingbourne which in turn flows into the River Wey. It is notable in its own right chiefly for its industrial heritage.

Course[edit]

The stream is about 7 km long and flows in a generally NW direction towards the Vale of Holmesdale. It rises at various sources above Peaslake on the northern slopes of the Greensand Ridge. It drains the northern Winterfold Forest/Hurtwood Forest: the upper half of the catchment area is mostly forest with some pasture other than Peaslake. The lower course flows between the clustered village of Brook/Little London in Albury on the right bank, and Blackheath, a sparsely-inhabited wooded plateau, on the left bank.[1]

It forms part of the boundary between the civil parishes of Albury and St Martha which contains most of Chilworth.[2] Like the Tillingbourne, the lower Law Brook was harnessed by the construction of leats (narrow cuts) and mill ponds to provide power for industrial mills, including a long leat dividing Chilworth and supplying its largest pond, known today as The Fish Pond, Chilworth.[3]

The North Downs Line runs roughly parallel to the Brook for about 2 km.

References[edit]

  1. ^ a b Marsh, T; Hannaford, J, eds. (2008). UK Hydrometric Register (PDF). Hydrological data UK series. Wallingford, Oxfordshire: Centre for Ecology & Hydrology. ISBN 978-0-9557672-2-7. 
  2. ^ Crocker, Glenys; Crocker, Alan (2000). Damnable Inventions: Chilworth Gunpowder and the Paper Mills of the Tillingbourne. Guildford: Surrey Industrial History Group. pp. 1–3. ISBN 0-9538122-0-0. 
  3. ^ Royal Gunpower Mills Newsletter 24. Accessed 2015-04-10.