| abstract
| - The subterranean or underground rivers of London are the tributaries of the River Thames and River Lea that were built over during the growth of the metropolis of London. Since it is difficult to stop water from flowing downhill, the rivers now flow through underground culverts. (Nicholas Barton, The Lost Rivers of London, Historical Publications, ISBN 0-948667-15-X). Many London localities started their existence as small villages along these rivers, and their place names reflect their origin. In recent years, parts of some London rivers have been restored to their previous above-ground state, and in some cases fish have been reintroduced. In June 2008 outline plans to reinstate some underground rivers were published by the office of Mayor of London. River Thames – north bank from east to west:
* The Langbourne (dubious – see below)
* The Walbrook
* The River Fleet, the largest; see Fleet Street
* The Tyburn
* The Tyburn Brook
* The River Westbourne
* Counter's Creek
* Stamford Brook
* River Brent (partly underground)
* River Rom (partly underground)
* Hackney Brook River Thames – south bank:
* The River Peck
* The River Neckinger
* The River Effra
* The Falconbrook
* The Graveney River
* Beverley Brook
* Earl's Sluice River Lea:
* Hackney Brook
* The River Moselle An article on London's Lost Rivers (Stow, Kingsford. Survey of London by John Sotw, ed. by Kingsford), 1908. mentions a Langbourne as running along Fenchurch Street, Lombard Street, and Sherbourn Lane, but gives no further details. This route looks unlikely, running parallel with, but in the opposite direction to, the Thames. Whatever it was, it has given its name to the Langbourn Wards of the City of London. One possibility is that it was a medieval euphemism for the open sewers that ran along these streets. The article also mentions a St Clement’s (as in the Oranges and Lemons song) stream. This would presumably be in Clement's Lane, which runs south from Lombard Street. This may have been another open sewer. Likewise for the Oldbourne (or Holbourne) cited as alternative names for the Fleet.
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