Leaves Green Circular (United Kingdom)
A mainly rural walk with farmland and commons, passing around Biggin Hill airport with its wartime connections. The full route extends to Downe where Down House was Darwin's home - see Bromley Circular Walks page for more details and Darwin links. One of the Bromley Circular Walks, several of which can be linked to make a much longer route. Part of the route coincides with the London LOOP.
https://ldwa.org.uk/ldp/members/show_path.php?path_name=Leaves+Green+Circular