Iolo's River Valleys: Full TV Schedule and Live Stream

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

Upcoming on Live TV

Channel Episode Time
Upcoming Release
Usk
Series 2 1. Usk
Iolo Williams explores the Usk valley, from Newport’s urban wildlife to ground-nesting birds, a huge lesser horseshoe bat roost and scarce firecrests.
Your Time
Wed 06 May · 18:00
UK
Wed 06 May · 18:00
Channel
BBC Two
Upcoming Release
Episode
Usk
Series 2 1. Usk
Iolo Williams explores the Usk valley, from Newport’s urban wildlife to ground-nesting birds, a huge lesser horseshoe bat roost and scarce firecrests.
Time
Your Time
Wed 06 May · 18:00
UK
Wed 06 May · 18:00

Available for Streaming

Series 1 4. The Vale of Clwyd

4. The Vale of Clwyd

Iolo Williams explores the Vale of Clwyd, from coastal lizards and rare butterflies to a tame raven and elusive red squirrels, uncovering the valley's hidden wonders and wildlife.
Duration: 29 mins First broadcast: 6 May 2025
Availability: Available for 8 days (until 06 May 2026)
Series 1 3. The Conwy Valley

3. The Conwy Valley

Iolo explores fascinating woodlands, searches for curlew chicks and uncovers the history of an ancient burial chamber nestled in the beautiful Conwy valley.
Duration: 29 mins First broadcast: 6 May 2025
Availability: Available for 8 days (until 06 May 2026)
Series 1 2. The Dyfi Valley

2. The Dyfi Valley

Iolo Williams explores the Dyfi Valley, from the Ynyslas dunes and the Cors Fochno bog to ospreys at Cors Dyfi and wild beavers near Machynlleth.
Duration: 29 mins First broadcast: 6 May 2025
Availability: Available for 8 days (until 06 May 2026)
Series 1 1. The Rheidol Valley

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.
Duration: 29 mins First broadcast: 7pm 6 May 2025
Availability: Available for 8 days (until 06 May 2026)

Iolo's River Valleys FAQs

When is Iolo's River Valleys next on?

The next broadcast of Iolo's River Valleys airs at Wed 06 May · 18:00(UK: Wed 06 May · 18:00) on BBC Two.

Which channel is Iolo's River Valleys next on?

Iolo's River Valleys returns on BBC Two next. Check the listings above for every upcoming airing.

When will Iolo's River Valleys be available on iPlayer?

Episodes land on BBC iPlayer just after the show finishes airing. Use the streaming section above to jump in as soon as it drops.

View Iolo's River Valleys on BBC