Weatherman Walking - The Best Of: 9. Highlights from Mid-Wales

Derek gets creative in West Wales and walks in the footsteps of poet Dylan Thomas.

Derek explores castles near Cardiff, the coast of Gower and the relics of the River Wye.

Derek takes an icy dip in a glacial lake, then visits Portmeirion and Llangollen.

Derek walks with Olympian Colin Jackson in the Vale of Glamorgan & goes gliding over Usk.

Weather duo Derek Brockway and Sian Lloyd pedal around Lake Vyrnwy.

Derek hits the Welsh coast, where he tries sand-sledging and horse-riding.

Derek takes the plunge bog snorkelling and walks with opera singer Beverley Humphreys.

Derek’s Welsh island hop sees wildlife on Skomer, Flatholm and a beach sauna in Anglesey.

Derek is in at the deep end in West Wales, paddle-boarding and coracle racing!

Derek is in Pembrokeshire for a special episode celebrating BBC Children in Need.

Derek walks from Llangynog to the Pistyll Rhaeadr waterfall.

Derek Brockway explores the rugged beauty of Great Orme.

Derek Brockway takes a walk from Tenby to Caldey Island.

Derek Brockway tours Laugharne with Dylan Thomas's granddaughter.

Derek Brockway walks in Dylan Thomas's footsteps around Swansea and Llansteffan.

Derek takes walks in rural Radnorshire and along the clifftops of north Anglesey.