Aberdyfi and Merthyr Tydfil

Derek Brockway is back with a new series of Weatherman Walking. Derek leaves his weather map behind, dons his walking boots and heads for the hills above Aberdyfi to explore the surrounding countryside above the Dyfi estuary followed by a walk on the beach. In the same programme, Derek also discovers Merthyr Tydfil's extraordinary industrial heritage with a walk with two castles, some impressive iron furnaces and beautiful valley views.Derek Brockway takes a hop across the water from Tenby to Caldey Island, which is well-known for its monastery, monks and lavender perfume.