1. Wilderness Festival, Oxfordshire 3-6 August Now in its seventh year, the Wilderness Festival takes place in Cornbury Park in the heart of Oxfordshire. Bonobo, Two Door Cinema Club and Grace Jones headline but that’s barely the start of it — there are talks and debates, gourmet cuisine, workshops, theatre, arts and meditation, and even wild swimming. Plus, of course, plenty for the kids. wildernessfestival.com2.