A stream was damned to create the Furnace Pond as a means to power the huge hammer at John Browne's forge. A gun foundry on such a huge scale that its flames could be seen from 10 miles away.
Fairly expensive to visit but lovely grounds with woodland and lakeside walk. Can hire rowing boats or pedallos on the lake. The castle was the childhood home of Ann Boleyn.
This section of road which is about 2 miles is fantastic to cycle along, and in the middle of it there is a lovely pond with ducks and houses adjacent.
Sevenoaks Wildlife Reserve is a natural sanctuary featuring a serene lake, winding woodland trails, opportunities for birdwatching, and an interactive exhibition center where visitors can engage in hands-on experiences.