Browse episode ratings trends for Iolo's River Valleys. Simply click on the interactive rating graph to explore the best and worst of Iolo's River Valleys's 5 episodes.
Best Episodes of Iolo's River Valleys
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Worst Episodes of Iolo's River Valleys
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Iolo's River Valleys Episode Guide
The Rheidol Valley
S1 Ep1
6th May 2025
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.
The Dyfi Valley
S1 Ep2
13th May 2025
Iolo Williams explores the Dyfi Valley, from Ynyslas dunes and Cors Fochno bog to Ospreys at Cors Dyfi and wild Beavers near Machynlleth.
The Conwy Valley
S1 Ep3
20th May 2025
Iolo explores fascinating woodlands, searches for Curlew chicks and uncovers the history of an ancient burial chamber nestled in the beautiful Conwy Valley.
The Vale of Clwyd
S1 Ep4
27th May 2025
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.
The first episode of Iolo's River Valleys aired on May 06, 2025.
The last episode of Iolo's River Valleys aired on May 27, 2025.
There are 5 episodes of Iolo's River Valleys.
There are 2 seasons of Iolo's River Valleys.
Yes.
Iolo's River Valleys is set to return for future episodes.
