Cornwall stars in the first episode of the new series of Walks With My Dog, in which celebrities spend a day walking in beauty spots with their four-legged friends.

On More 4 tomorrow (Wednesday) night at 9pm, Caroline Quentin visits Cornwall.  

Caroline and her dogs Fifi, a Maltese Terrier, and Fenny, a sheepdog, are walking around the Helford estuary. They take in Frenchman’s Creek, cross the river on a ferry service with ancient roots and pop in at stunning Trebah Garden.

Comedian Dom Joly takes a trip to Hadrian’s Wall country and ex-Welsh rugby captain Gareth Thomas is in the heights of the Brecon Beacons.