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Documentary

The Best Episodes of Iolo's River Valleys Season 2

Every episode of Iolo's River Valleys Season 2 ranked from best to worst. Discover the Best Episodes of Iolo's River Valleys Season 2!

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

Airs on
BBC TwoBBC One Wales
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Seasons2

All12

Episode Rankings

  1. #1 Fan Favorite
    Iolo's River Valleys Season 2 Episode 1 - Usk
    0.0/10(0 votes)

    #1 - Usk

    S2:E1

    Iolo Williams explores the Usk valley, from Newport’s urban wildlife to ground-nesting birds, a huge lesser horseshoe bat roost and scarce firecrests.

    Director:Unknown
    Writer:Unknown

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  2. Iolo's River Valleys Season 2 Episode 2 - Tywi
    0.0/10(0 votes)

    #2 - Tywi

    S2:E2

    Iolo Williams explores the Tywi river valley, from Llansteffan’s coastal dunes to fallow deer ruts, ancient oak woodlands, and the remote heights of the Tywi Forest.

    Director:Unknown
    Writer:Unknown

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  3. Iolo's River Valleys Season 2 Episode 3 - Teifi
    0.0/10(0 votes)

    #3 - Teifi

    S2:E3

    Iolo explores the Teifi river valley, and finds a slow worm hunting, meets a coracle fisherman, is thrilled by a fishing Otter, and watches a pair of kestrels at their nest.

    Director:Unknown
    Writer:Unknown

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Season 2 Ratings Summary

"Usk" is the best rated episode of "Iolo's River Valleys" season 2. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 5/6/2026. This episode is rated 0.0 points higher than the second-best, "Tywi".