Lakes listed from North to South
Ffynnon Lloer
A good size lake high up in the Carneddau range.
Llyn Geirionydd
A popular woodland lake with parking.
Llyn Padarn
One of Snowdonia's largest lakes - very popular for watersports
Llyn Idwal
A popular lake for swimming, just over ½ mile from the A470.
Llyn Bochlwyd
At a height of 1820 feet, this lake is alongside the path up Glyder Fach.
Llynnau Mymbyr
Two good lakes for swimming and watersports - just west of Capel Curig.
Llyn Cwmffynnon
A good-size moorland lake on the opposite side of Pen-y-Pass from Snowdon.
Moel Siabod Quarry Lake
A deep quarry lake on Moel Siabod.
Llyn y Foel
A shallow lake part-way up Moel Siabod.
Llyn Llydaw
A good lake for swimming, part-way up Snowdon.
Glaslyn (Snowdon)
A deep corrie lake on the path up Snowdon. Crystal clear water.
Llyn Gwynant
A large lake good for swimming, easily accessed from the A498.
Prince of Wales Reservoir
A small lake, formerly a reservoir at the head of the Cwm Pennant valley.
Llyn Dinas
A good lake for swimming, easy access from the A498.
Llyn Dyrnogydd
A small lake above Blaenua Ffestiniog and a 20 minute walk from a layby on the A470.
Llyn Llagi
A circular moorland lake.
Llyn yr Adar
A peaty moorland lake at about 1800 feet with a small rocky islet in the centre.
Llynnau Cerrig-y-myllt
Two small lakes high up on the slopes of Cnicht.
Llyn Newydd & Llyn Bowydd
Two former reservoirs above Blaenau Ffestiniog.
Llyn Cwm-corsiog
A former reservoir high up in the mountains above Blaenau Ffestiniog.
Llyn Clogwyn-brith
A former reservoirs for the New Rhosydd quarries.
Llynnau diffwys
Two mountain lakes connected by a small stream.
Llyn Cwmorthin
A good lake for swimming, near Blaenau Ffestiniog.
Llyn Du Bâch
A small lake above Blaenau Ffestiniog.
Llyn y Manod
A good- lake for swimming between Manod Bach and Manod Mawr.
Llyn Mair
A small lake alongside the B4410 with parking and picnic area.
Rhaeadr Ddu
A waterfall and plunge pool in a wooded valley west of Trawsfynydd.
Llyn Hiraethlyn
A moorland lake east of Blaenau Ffestiniog.
Bala Lake
Wales' largest lake - 4 miles long and ½ mile wide. Good beach area and facilities.
Llyn Caerwych
A picturesque medium-size lake - difficult to find without a map and compass.
Llyn Eiddiw bach
A small lake alongside the track up to Moel Ysgyfarnogod.
Llyn Eiddiw mawr
A large moorland lake in the Rhinog mountains.
Llyn y Fedw
A small unremarkable lake in the Western Rhinogs.
Bala Lake - Llangower
The western end of Bala lake, next to Bala Lake Railway Llangower station.
Llyn Cwm Bychan
A scenic lake about 5 miles from Llanbedr. Good base for walking.
Llyn Morwynion
A natural lake in the Rhinog mountains near the Roman Steps. Now used as a reservoir.
Gloyw Llyn
An 8 acre natural lake in the Rhinog mountains north of Rhinog Fawr.
Llyn Du
A small lake north of Rhinog Mawr near the Roman Steps.
Llyn Perfeddau
A small lake in the Rhinogydd range at a height of 1530 feet, east of Llanbedr
Ty'n y Groes river pool
A good sized river pool just a short walk from the A470.
Llyn Irddyn
A clear moorland lake on very rough ground, east of Tal-y-Bont.
Pont Llanelltyd
A popular swim spot, just off the A496 near Dolgellau. A good place to stop for a break on a hot day.
Llyn-y-Gadair
An oligotrophic lake high up on the Foxes' path up Cadair Idris.
Llyn Gafr
A small lake on the Foxes' path up Cadair Idris.
Fairbourne Blue Lake
An abandoned quarry lake, very popular for swimming. Entrance is via a short tunnel.
Llyn Cau
A very deep, circular lake at about 1500 feet up Cadair Idris.
Tal-y-Llyn
A long, but shallow lake beneath Cadair Idris. Parking available in laybys.
Teifi Pools
Six small lakes - three of which are used as reservoirs - about 20 miles east of Aberystwyth.
Llyn y Fan fawr
A good size lake beneath Fan Brycheiniog in the Brecon Beacons National Park.
Llandeilo Swing Bridge
A popular river swim near the village of Llandeilo
Rosebush Quarry
A small quarry lake in mid-Pembrokeshire, on the side of Foel Cwmcerwyn.
Blue Lagoon, Abereiddy
A former slate quarry, connected to the sea and flooded with jumps from the rocks above.
Keepers Pond, Blaenavon
A small pond, alongside the B4246 north of Blaenavon.