Weatherman Walking

Derek Brockway walks in Dylan Thomas's footsteps around Swansea before heading to the Llansteffan Peninsula and the Three Rivers estuary.

Derek Brockway learns how New Quay on Cardigan Bay inspired some of Thomas's greatest work, before touring Laugharne with Dylan Thomas's granddaughter.

Weatherman Derek Brockway walks the stunning Clywedog Valley Trail near Wrexham in North Wales. He learns the story of John Wilkinson, known as Iron Mad Jack, who revolutionised the iron industry and helps carve a duck from a cedar log. Meanwhile wildlife expert Lizzie Daly discovers red squirrels are on a comeback in the area and Onkar Singh Purewal is blown away by the rare varieties of apples being grown on the National Trust's Erdigg Estate.

Derek and the team travel to the Elan Valley in Powys for a stunning seven-mile circular walk, punctuated by dams. He learns how the valley was flooded to supply water to Birmingham. On his way round he has a go a mountain biking and discovers the part the area played in the daring Dambusters attack in WW2. Meanwhile archaeologist Dr Erin Lloyd Jones visit the ruins of the ancient abbey at Strata Florida.

On a stunning walk along the Anglesey coast, Derek discovers the only way to get to a church, finds out all about the mythical stories surrounding the Mabinogi, and relaxes by taking a sauna.

Derek walks the last few miles of the Taff Trail into Cardiff and takes in the stunning beauty of Castell Coch, where things get a little spooky. He finishes things off in Bute Park by joining an enthusiastic bunch of runners on a run.