Iolo's River Valleys

BBC iPlayer Running

2 Seasons · 8 Episodes · Premiered May 6, 2025

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

Where to Watch: BBC iPlayer

Official Site

Next Air Time: Wed, May 6 2026 5:00 AM GMT+0000

Seasons & Episodes

Season 1

4 episodes
E01
The Rheidol Valley
Tue, May 6 2025 5:00 AM GMT+0000 28 min
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.
E02
The Dyfi Valley
Tue, May 6 2025 5:00 AM GMT+0000 29 min
Iolo Williams explores the Dyfi Valley, from the Ynyslas dunes and the Cors Fochno bog to ospreys at Cors Dyfi and wild beavers near Machynlleth.
E03
The Conwy Valley
Tue, May 6 2025 5:00 AM GMT+0000 29 min
Iolo explores fascinating woodlands, searches for Curlew chicks and uncovers the history of an ancient burial chamber nestled in the beautiful Conwy Valley.
E04
The Vale of Clwyd
Tue, May 6 2025 5:00 AM GMT+0000 29 min
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.

Season 2

4 episodes

Cast

Iolo Williams
Iolo Williams as Presenter

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