Iolo's River Valleys

Synopsis

Iolo Williams explores four of Wales’s most stunning river valleys from sea to source, uncovering their hidden wonders and remarkable wildlife.

First Air Date: 2025-05-06

Last Air Date: 2025-05-27

Number of Seasons: 2

Number of Episodes: 5

Networks: BBC Two, BBC One Wales

Iolo Williams explores four of Wales’s most stunning river valleys.

Ep. 1: The Rheidol Valley (2025-05-06)

Iolo 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.
Ep. 2: The Dyfi Valley (2025-05-13)

Iolo Williams explores the Dyfi Valley, from Ynyslas dunes and Cors Fochno bog to Ospreys at Cors Dyfi and wild Beavers near Machynlleth.
Ep. 3: The Conwy Valley (2025-05-20)

Iolo explores fascinating woodlands, searches for Curlew chicks and uncovers the history of an ancient burial chamber nestled in the beautiful Conwy Valley.
Ep. 4: The Vale of Clwyd (2025-05-27)

Iolo 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.