Go wild in the Midlands: river swims, campsites, forests, climbs and ruins

The authors of a new book on the wild side of Central England share their favourite secret spots for day trips and adventures

Walton- on-Trent, Derbyshire
With the backdrop of a village cricket green, this meander of the River Trent, backed by meadows and lined with willows, offers a retreat from modern life. Swim (or walk when water levels are low) to the little river island where a rope tree-swing is waiting.