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  • Iolo's River Valleys
Nature

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)

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Series Navigation

  • Episodes
  • More Like This
  • 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
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