Printed from: https://finalhbks.asgoodasready.com/footpaths/path-surveys/slopes/
Measuring slopes The following methods can be used for measuring the gradient or angle of a slope. Ordnance Survey maps are only useful for large schemes, because even the most detailed information on the 1:25,000 map only shows the contour interval every five metres. It does help with understanding the general topography and drainage patterns...