Series 1
4 episodes · May 6, 2025
Iolo Williams explores four of Wales’s most stunning river valleys.
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S1E1The Rheidol Valley
May 6, 202529mIolo Williams explores the Rheidol valley and looks for elusive pine martens. He’s also treated to views of red kites nesting in a village and explores a remote zinc mine.
S1E2The Dyfi Valley
May 13, 202529mIolo Williams explores the Dyfi Valley, from Ynyslas dunes and Cors Fochno bog to Ospreys at Cors Dyfi and wild Beavers near Machynlleth.
S1E3The Conwy Valley
May 20, 202529mIolo explores fascinating woodlands, searches for Curlew chicks and uncovers the history of an ancient burial chamber nestled in the beautiful Conwy Valley.
S1E4The Vale of Clwyd
May 27, 202529mIolo Williams explores the Vale of Clwyd, from coastal lizards and rare butterflies to a tame raven and elusive red squirrels, uncovering the valley's hidden wonders and wildlife.