A fairly easy walk at a moderate pace through varied terrain including two very different country parks, Wilberforce's Oak, and Caesar's Well. Some stretches may be muddy.
There are toilets on platforms 3 and 4 at Petts Wood Station during staffing hours, and after about ninety minutes at High Elms Country Park.
Lunch: Café / picnic at High Elms
Train: Victoria 10:27 (Orpington train), Bromley South 10:57, arrives Petts Wood 11:04 or Charing Cross (Sevenoaks train) 10:31, London Bridge 10:40, Lewisham 10:49 arrives Petts Wood 11:07.