Iolo's River Valleys

29m2 Seasons

EnglishReturning Series

1 · The Rheidol Valley

2 · The Dyfi Valley

3 · The Conwy Valley

4 · The Vale of Clwyd

Crew and Cast

Iolo Williams

Iolo WilliamsPresenter

Storyline

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

Iolo's River Valleys poster

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Info

Status: Returning Series
First aired: 6 May 2025
Last aired: 27 May 2026

Production

Networks: BBC Two, BBC One Wales

Episodes

Seasons: 2
Episodes: 8
Runtime: 29m
Type: Documentary
In production: Yes

Languages

Original: English
Spoken: English