
Lake · United Kingdom
Llyn Tegid
Lake in Wales
- Area
- 3.9km²
- Max depth
- 42m
- Average depth
- 12m
- Elevation
- 160m a.s.l.
- Shoreline
- 14km
- Volume
- 0.048km³
Llyn Tegid is a lake in United Kingdom. It covers 3.9 km². On average it is 12 m deep, and 42 m at its deepest point. Its surface lies 160 m above sea level.
Plan your visit
Stay, sail and get there
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The water
Water temperature
There is no reliable satellite record of the water temperature for this lake yet.
On the shore, afternoons reach 18 °C on average in July and 6 °C in February. The driest month is April (77 mm of rain), the wettest December (148 mm).
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Climate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | — | — | 6 | 2 | 126 | 20 | 1.1 | 17 |
| February | — | — | 6 | 2 | 104 | 18 | 2.4 | 16 |
| March | — | — | 8 | 2 | 94 | 17 | 4.1 | 15 |
| April | — | — | 11 | 4 | 77 | 16 | 5.9 | 12 |
| May | — | — | 14 | 7 | 87 | 16 | 6.7 | 12 |
| June | — | — | 16 | 10 | 99 | 16 | 6.3 | 11 |
| July | — | — | 18 | 11 | 112 | 19 | 6.1 | 11 |
| August | — | — | 17 | 11 | 119 | 21 | 5.4 | 12 |
| September | — | — | 16 | 10 | 108 | 18 | 4.4 | 12 |
| October | — | — | 12 | 8 | 135 | 20 | 2.6 | 14 |
| November | — | — | 9 | 5 | 142 | 22 | 1.4 | 15 |
| December | — | — | 6 | 3 | 148 | 21 | 0.9 | 16 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 3 months before flowing out.
- Its catchment drains 148 km² of land.
- About 6.1 m³ of water flow out every second, on average.
Around the shore
What's around Llyn Tegid
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 3beaches and swimming spots
- 7campsites
Glanllyn Lakeside, Pen y Bont, Pen Y Garth Lodge Park, Werngoch Caravan Park, Plas Moel-y-Garnedd and 2 more
- 1boat hire and water-sport clubs
- 1marinas and slipways
Bala Lake slipway
- —ferry piers
- 1viewpoints
Llyn Tegid foreshore
- 5hotels, B&Bs and chalets
Bodiwan 4* Bed and Breakfast, Bala Backpackers, The Goat Hotel, Plas Coch, Bala Lake Hotel
- —fishing spots
- 13restaurants and cafés
Towns on the shore
- Bala1,974 people
Nearest airport with scheduled flights: Liverpool John Lennon Airport (LPL), 70 km in a straight line.
Car hire at LPL airport (Liverpool)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | 5.8 | 5.7 | 7.5 | 10.6 | 13.7 | 16.4 | 17.8 | 17.3 | 15.5 | 12.2 | 8.7 | 6.5 |
| 2020 | +1.5 | +1.2 | +0.5 | +2.2 | +1.3 | +0.3 | −1.4 | +1.2 | ±0.0 | −1.1 | +1.2 | −0.1 |
| 2021 | −1.1 | +0.1 | +0.9 | −1.1 | −2.0 | +1.0 | +1.8 | +0.1 | +2.1 | +0.9 | +0.4 | +0.9 |
| 2022 | +0.6 | +2.0 | +2.1 | +0.4 | +0.5 | +0.5 | +1.5 | +2.6 | +0.6 | +1.8 | +1.4 | −1.1 |
| 2023 | +0.9 | +1.9 | +0.1 | +0.2 | +1.7 | +3.4 | −0.9 | +0.2 | +2.7 | +0.9 | ±0.0 | +1.2 |
| 2024 | +0.3 | +2.3 | +0.8 | ±0.0 | +2.0 | −0.9 | −0.3 | +0.5 | −0.3 | +0.7 | +0.5 | +1.5 |
| 2025 | −0.8 | +0.2 | +2.2 | +2.8 | +2.3 | +1.4 | +1.5 | +1.9 | −0.3 | +0.3 | +0.9 | +1.0 |
+1 warmer than usual −1 cooler than usual
Nearby
More lakes nearby
About these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q1335466) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.

