For those who know the valley – and the smaller valleys that feed into it – you will already appreciate the peacefulness of the places, and a sense of remoteness that is utterly amazing considering that just over the hill is a population of 140,000 people.
You'll also know that the valley contains records of human habitation going back 4,000 years, with evidence of bronze age settlements, Roman pottery and Saxon trackways. The valley was certainly part of the theatre of…