Law Brook, Surrey

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Law Brook
Postford Brook
Brook, Brook - - 655936.jpg
Law Brook flowing westwards from the hamlet of Brook towards Postford
Country England
County Surrey
Borough Guildford Borough
Source Hurtwood
 - location Peaslake, Surrey
Mouth River Tillingbourne
 - location Postford
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 tributary of the River Tillingbourne in Surrey. It rises near Peaslake and drains the Winterfold Forest and Hurtwood. The upper catchment is heavily wooded, although there is some urban development in the lower catchment.[1] The Brook forms the boundary between the parishes of Albury and St Martha.[2]

Like the Tillingbourne, the waters of the Law Brook were harnessed through the construction of leats and mill ponds to provide power for industrial mills.[3]

The North Downs Line follows the course of the Brook between Chilworth and Albury Heath.


  1. ^ a b Marsh, T; Hannaford, J, eds. (2008). UK Hydrometric Register. 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. ^