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Iolo's River Valleys

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Iolo's River Valleys

New series coming in 2026

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

Series 1: 1. The Rheidol Valley (29 mins)

Series 1: 4. The Vale of Clwyd
Iolo explores the Clwyd Valley and finds rare butterflies, tame ravens and red squirrels.
29 mins
Series 1: 3. The Conwy Valley
Iolo explores woodlands, looks for curlews and visits a burial chamber in the Conwy valley
29 mins
Series 1: 2. The Dyfi Valley
Iolo explores the Dyfi Valley, spotting ospreys, wild beavers and stunning river cascades.
29 mins
Series 1: 1. The Rheidol Valley
Iolo Williams finds a pine marten, a red kite nest and a zinc mine in the Rheidol valley.
29 mins