Six woodlands across four blogs and over a thousand still to explore. The final part of the series steps back from the trees — accessibility, seasons, sounds, and one thing that genuinely needs saying about dog walkers in ancient woodland.

Ashridge contains more ancient and veteran trees than any other National Trust property in the country. Bisham Woods may have inspired the Wild Wood in Wind in the Willows. Two extraordinary woodlands at opposite ends of the Chilterns, and between them enough subject matter to keep a photographer busy for years.