  the north downs are a ridge of chalk hills in south east england that stretch from farnham in surrey to the white cliffs of dover in kent.  the north downs lie within two areas of outstanding natural beauty (aonbs), the surrey hills and the kent downs. the north downs way national trail runs along the north downs from farnham to dover. ==etymology== 'downs' is from old english dun meaning, amongst other things, 'hill'. the word acquired the sense of 'elevated rolling grassland' around the fourteenth century.http://www.etymonline.com/index.php?l=d&p=17 these hills are prefixed 'north' to distinguish them from the morphologically 
Borough_of_Ashford Geology_of_England Hills_of_Hampshire Hills_of_Kent Hills_of_Surrey Natural_regions_of_England