OS Open Rivers is a generalised product which has been automatically derived from Ordnance Survey large scale data.
Read our technical specification for OS Open Rivers.
|Key Features||What this product offers|
|Format||GML 3.2, Esri Shape file|
|Data structure||Vector points and lines|
|Attributes||Watercourse name; watercourse type; direction of water flow|
|Scale||1:15 000 to 1:30 000|
|Update frequency||Twice a year - April and October|