Earl's Sluice

{{Use dmy dates|date=May 2025}}

{{Use British English|date=January 2018}}

{{Infobox river

| name = Earl's Sluice

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| image = Culverted mouth of the Earl's Sluice at Deptford Wharf.jpg

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| image_caption = The culverted mouth of the Earl's Sluice at Deptford Wharf

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| subdivision_type1 = Country

| subdivision_name1 = England

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| subdivision_type3 = Counties

| subdivision_name3 = Greater London

| subdivision_type4 = Districts / Boroughs

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| subdivision_type5 = Towns

| subdivision_name5 = Deptford

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| source1 = Ruskin Park

| source1_location = Denmark Hill

| source1_coordinates= {{coord|51|28|0|N|0|5|33|W|display=inline}}

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| mouth = River Thames

| mouth_location = Deptford Wharf

| mouth_coordinates = {{coord|51|29|35.19|N|0|1|55.26|W|display=inline,title}}

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| tributaries_right = River Peck

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Earl's Sluice is an underground river in south-east London, England. Its source is Ruskin Park on Denmark Hill. In South Bermondsey it is joined by the River Peck before emptying into the Thames at Deptford Wharf.

File:Boundary Stone on the Thames Path - geograph.org.uk - 950999.jpg between the confluence of the Sluce and the entrance to South Dock, Rotherhithe in 1988.]]

Earl's Creek marks the boundary between St Mary's parish, Rotherhithe and St Paul's parish, Deptford and their successors the London Borough of Southwark and the London Borough of Lewisham. It also marks the boundary between the historic counties of Kent and Surrey.{{cite book |last1=Bosworth |first1=George F |title=Kent |date=2012 |publisher=CUP |location=Google Books |page=31 |isbn=9781107660045 |url=https://books.google.com/books?id=03tu4b-KhHkC&dq=Earl%27s+Sluice&pg=PA31 |access-date=25 May 2021}} The river is named after the Earl of Gloucester in the time of Henry I.

File:Earl Pumping Station - geograph.org.uk - 1462019.jpg