It is the most extensive area of semi-natural downland left in Greater London .
Farthing Downs is a long strip of grassland with pockets of ancient woodland , which narrows to a point at the northern end .
Farthing Downs is the most extensive Farthing Downs of semi-natural downland left in Greater London .
Farthing Downs is a long strip of grassland with pockets of ancient woodland , which narrows to a point at the northern end .