Iolo's River Valleys
Iolo's River Valleys is a TV show on BBC2. Iolo Williams explores four of Wales’s most stunning river valleys from sea to source, uncovering their hidden wonders and remarkable wildlife. The program has been available since 2025. A total of 1 episode was broadcast in May 2025.
Last episode
Iolo's River Valleys
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.
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