Use the tools below to determine the catchment for any point in the UK. For help, click here or expand the help panel to the right.
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Contains Ordnance Survey data © Crown copyright and database right 2011.
Catchment Finder allows you to quickly locate the catchment (or drainage basin) draining into a particular point.
Using the tool is simple:
When the analysis is finished, the catchment will be automatically added to the map