The Kent Downs is an Area of Outstanding Natural Beauty in Kent, England. They are the eastern half of the North Downs and stretch from the London/Surrey borders to the White Cliffs of Dover. It is renowned for its natural beauty.Among the named parts of the Downs are: Alkham Valley a dry valley north-west of Dover;Betsom's Hill highest point in Kent at 251m; near WesterhamBlue Bell HillBurham DownCastle HillDetling HillHollingbourne DownsSummerhouse HillTolsford HillWye Downs