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Llyn y Fan Fach

Wild Swimming Spot

Terrain:

Activities

Best Time To Visit

Lakeside, Mountain, Cliffs

Swimming

Spring to Autumn

Photo: Philip Halling via Geograph.org.uk

Llyn y Fan Fach is a glacial lake at the western end of the Black Mountain in Carmarthenshire, set in an amphitheatre of crags and moraine on the northern face of Waun Lefrith. It was enlarged into a small reservoir, and a track leads up to the dam from near Llanddeusant, with a stone shelter beside...

9

Parking nearby

1

Food Spots nearby

0

Staycations nearby

Parking:

Food:

Staycations:

2 day, 7 overnight

The Tafarn y Garreg – Gwynfe

Nearest Hidden Gem 1

Nearest Hidden Gem 3

FAQ's/Things to Know

Where is Llyn y Fan Fach?
South Wales holds this remote mountain pool beneath the high ridges of the Black Mountain range. Walkers reach the water by climbing a long uphill track from the valley below.

What type of place is Llyn y Fan Fach?
Llyn y Fan Fach is a wild swimming spot in the Brecon Beacons region of South Wales.

When is the best time to visit Llyn y Fan Fach?
Spring to autumn offers the most reliable weather conditions for tackling the exposed mountain paths. Clear mornings during these months show off the massive rock walls perfectly before any heavy clouds roll in.

What can you do at Llyn y Fan Fach?
Brave souls can take a freezing dip in the icy mountain waters while taking in the high sandstone crags. Hiking along the upper escarpment provides incredible views over the dark pool and the surrounding valleys.

How long should I spend at Llyn y Fan Fach?
Allowing roughly three hours gives you enough time to complete the steep walk up and enjoy a lakeside rest. Anyone wanting to tackle the full circular ridge loop will need to allocate a much larger portion of the day.

Where do I park at Llyn y Fan Fach?
Vehicles can use the nine spaces available near the trail, which provide two day and seven overnight spots. Full details are available on the UK Hidden Gems app.

Where can I eat near Llyn y Fan Fach?
The Tafarn y Garreg - Gwynfe provides a place to get a hot meal near the area, offering a single spot for refreshments. Full details are available on the UK Hidden Gems app.

Where can I stay near Llyn y Fan Fach?
There are no staycation spots recorded immediately near Llyn y Fan Fach, check the UK Hidden Gems app for the nearest options.

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Last Updated:

02 July 2026

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