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Rhaeadr Du

Wild Swimming Spot

Terrain:

Activities

Best Time To Visit

Woodland, Riverside, Valley

Walking, Swimming

Year round

Photo: Mike Parker via Geograph.org.uk

Rhaeadr Du, the black waterfall, is a twin cascade on the Afon Gamlan in oak woodland at Ganllwyd, at the edge of the Coed y Brenin forest in Gwynedd. It takes its name from the dark slab of rock it pours over, and drops in two stages of some sixty feet through a National Trust nature reserve of anc...

10

Parking nearby

0

Food Spots nearby

3

Staycations nearby

Parking:

Food:

Staycations:

3 day, 7 overnight

The Grapes Hotel, Maentwrog Cottage, Afon Cariad Cottage

Nearest Hidden Gem 1

Nearest Hidden Gem 2

Nearest Hidden Gem 3

FAQ's/Things to Know

Where is Rhaeadr Du?
Gwynedd houses this ancient Celtic rainforest canopy within the beautiful boundaries of Ceunant Llennyrch Park. Walkers usually find the spot by following the rugged paths into the steep wooded canyon.

What type of place is Rhaeadr Du?
Rhaeadr Du is a waterfall and plunge pool in a woodland park in North Wales.

When is the best time to visit Rhaeadr Du?
Heavy, persistent rainfall frequently hits North Wales year round, meaning the cascading waters look impressive during any month you choose to explore. Crisper morning walking hours provide the most clear light for spotting local wrens and willow warblers before afternoon mist arrives.

What can you do at Rhaeadr Du?
Independent travellers regularly tackle the steep, uneven stone steps to reach the dark basin for a wild midday dip in the transparent pool. Photography enthusiasts also enjoy capturing the sixty foot volcanic rock face while listening to the roaring currents.

How long should I spend at Rhaeadr Du?
Allocating roughly two hours gives you plenty of time to safely navigate the slick gorge steps and enjoy a swim. Extending your stay works perfectly if you plan to explore the wider ancient sessile oak woodland nearby.

Where do I park at Rhaeadr Du?
Spaces for ten vehicles exist close to the site, offering three day and seven overnight parking spots. Full details are available on the UK Hidden Gems app.

Where can I eat near Rhaeadr Du?
There are no food spots recorded immediately near Rhaeadr Du, check the UK Hidden Gems app for the nearest options.

Where can I stay near Rhaeadr Du?
The Grapes Hotel, Maentwrog Cottage, and Afon Cariad Cottage provide three overnight stay options in the local area. Full details are available on the UK Hidden Gems app.

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Last Updated:

02 July 2026

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