TU Delft portal
The TOP250raster maps include the digital versions of the topographical maps 1:250.000 from the Kadaster. Raster maps are particularly suitable if you do not need to make any changes to the map and want to use less detail.
You can download map sheets from 2016/2017 in TIFF format from the TU Delft portal (link provided right).
The scale used for the map sheets is 1:250,000, in accordance with the sheet line system.