Earl's Sluice

Earl's Sluice a lost river in south-east London, UK; named after the Duke of Gloucester in the time of Henry I. Its source is Ruskin Park on Denmark Hill. In South Bermondsey it joins with the River Peck before emptying into the Thames at Deptford Wharf.

More information on the Wikipedia page phttp://en.wikipedia.org/wiki/Earl%27s_Sluice]