Iolo Williams explores four of Wales's most stunning river valleys from sea to source, uncovering their hidden wonders and remarkable wildlife.
Show Info
Average Runtime: 29 minutes
Status: Running
Show Type:
Documentary
Episodes ordered: 4 episodes
Official site: www.bbc.co.uk
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Previous Episode
Dee
Episode 2x04; May 6, 2026
Iolo explores the stunning Dee valley, from wintering birds along the estuary, to displaying black grouse on moorland, rare freshwater-pearl mussels, and spawning sea trout.
Previous Episodes
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