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Llyn Llagi

Wild Swimming Spot

Terrain:

Activities

Best Time To Visit

Mountain, Valley, Lakeside

Walking, Swimming, Photography

Spring to Autumn

Peter S / CC BY-SA 2.0 via Wikimedia Commons

Llyn Llagi is a mountain lake in central Snowdonia, set in a rocky hollow below the Cnicht ridge, north of the Nantmor valley. Nearly round and deep, it sits under a steep back wall of crag that climbers and scramblers use. Walkers reach it on foot as a detour from the Cnicht route, following paths ...

10

Parking nearby

3

Food Spots nearby

3

Staycations nearby

Parking:

Food:

Staycations:

4 day, 6 overnight

Caffi Gwynant​, The Prince Llewelyn – Beddgelert, Tanronnen Inn – Beddgelert

Celyn Snowdonia Cottage, Sygun Cottage, Slate Mountain Cottage

Nearest Hidden Gem 1

Nearest Hidden Gem 2

FAQ's/Things to Know

Where is Llyn Llagi?
Snowdonia National Park contains this remote water body on the southern side of the Moelwynion mountain range. Walkers can track it down by heading up the valley into the wilder side of North Wales.

What type of place is Llyn Llagi?
Llyn Llagi is a wild swimming spot in Wales.

When is the best time to visit Llyn Llagi?
Spring to autumn offers the most reliable weather conditions for a long trek. Crisp morning light during these months provides excellent clarity for photography before the sun dips behind the high mountain walls.

What can you do at Llyn Llagi?
Plunging into the icy depths gives you a raw encounter with a deep glacial lake. Energetic people also enjoy scrambling over the rough, heathery ground to capture reflections of the massive peaks across the glassy surface.

How long should I spend at Llyn Llagi?
Allowing a couple of hours ensures enough time to enjoy a swim and pack up your gear safely. Severe temperature drops mean you should head back before sunset.

Where do I park at Llyn Llagi?
Spaces for ten vehicles exist nearby, providing four day and six overnight spots. Full details are available on the UK Hidden Gems app.

Where can I eat near Llyn Llagi?
Caffi Gwynant, The Prince Llewelyn - Beddgelert, and Tanronnen Inn - Beddgelert offer three places to grab food in the area. Full details are available on the UK Hidden Gems app.

Where can I stay near Llyn Llagi?
Celyn Snowdonia Cottage, Sygun Cottage, and Slate Mountain Cottage provide three options for an overnight stay nearby. Full details are available on the UK Hidden Gems app.

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Last Updated:

02 July 2026

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