BBC One

Iolo's River Valleys - Series 1: 1. The Rheidol Valley

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.

  • Duration29 mins
  • First shown7pm 6 May 2025
  • Available until Wed 7pm
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