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Lake · Wales

Llyn Idwal

380 m1,247 ft
Tonight
5°CCloudy · Wind 18 km/h W

Llyn Idwal is a lake at 380 m above sea level in Wales, United Kingdom.

All facts
Surface elevation
380 m
Open the 3D view
3D map

Llyn Idwal 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 4 × 4 km

Surface
Vertical scale
Topographic map

Llyn Idwal terrain and contours

50 m contours from the Copernicus GLO-30 terrain model. Click two points on the map to draw your own cross-section.Tap two points on the map to draw your own cross-section.

Index contours every 250 mShowing west → east through the centre

Llyn Idwal elevation profile

West → east through the centre

Hover the profile to read elevation and distance.Tap or drag along the profile to read elevation and distance.
Weather

Llyn Idwal weather

Tonight · Cloudy · 5°C (41°F) · 0.4 mm · Wind 18 km/h W

Llyn Idwal forecast for about 380 m.

  • Tonight5°0.4 mm18 km/h W
  • Today6°12°31.5 mm50 km/h W
  • Sun6°8°3.3 mm43 km/h W
  • Mon7°13°22.6 mm39 km/h SW
  • Tue7°10°8.7 mm41 km/h SW
  • Wed8°11°1.1 mm24 km/h SW
  • Thu8°10°0.7 mm14 km/h S
  • Fri8°11°3.1 mm13 km/h SE
  • Sat5°9°2.5 mm15 km/h NW
  • Sun3°5°10.0 mm17 km/h NW

Forecast data: MET Norway, CC BY 4.0; daily low and high, precipitation total and strongest wind from the hourly data, model run Oct 24, 01:17 UTC.

Camping & parking

Camping & parking near Llyn Idwal

Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Llyn Idwal, nearest first, by straight-line distance. Check access, fees and permits locally.

  • Nearest parking

    0.9 km N

    +2 more within 0.9 km

    DirectionsMap

  • Nearest campsite

    YHA Idwal

    0.9 km NNE · +2 more within 3.9 km

    DirectionsMap

  • Nearest hut

    Ynys Ettws

    3.5 km SW · +2 more within 4.1 km

    DirectionsMap

  • Nearest trailhead

    Start of Llanberis Path (Snowdon)

    6.4 km W

    DirectionsMap

  • Nearest caravan site

    Bryn Llys Caravan Site

    7.2 km NNW · +1 more within 7.4 km

    DirectionsMap
All mapped places 12
PlaceDistance
Parking0.9 km N
Parking0.9 km NNE
Parking0.9 km NNE
YHA IdwalCampsite0.9 km NNE
Gwern Gof Uchaf CampsiteCampsite2.9 km ENE
Ynys EttwsHut3.5 km SW
Cwm Glas MawrHut3.6 km SW
Pritchard's CampsiteCampsite3.9 km WSW
FronwydyrHut4.1 km WSW
Start of Llanberis Path (Snowdon)Trailhead6.4 km W
Bryn Llys Caravan SiteCaravan site7.2 km NNW
Llanberis Touring ParkCaravan site7.4 km W
Slope

Slope

Share of the 4 × 4 km view by steepness, from the 30 m model.

Mixed terrain: gentle slopes, steep faces and everything between.

Gentle, 0–15°
28.9%
Moderate, 15–30°
43.0%
Steep, 30–45°
24.4%
Cliffs, 45° and over
3.6%
Steeper than 30°
28.0% of the 16 km² view
Relief in view
792 m low point 201 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Grassland 89.1%Trees 6.2%Water 3.3%Bare rock / sparse 0.9%Built-up 0.5%

Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.

Nearby summits

Nearby summits

Named peaks within 2 km of Llyn Idwal.

NESW1 km2 km1234
Summit list 4
  1. 1Y Garn947 m 1.3 km W
  2. 2Glyder Fawr1,001 m 1.5 km S
  3. 3Castell Y Gwynt972 m 1.6 km SE
  4. 4Glyder Fach994 m 1.7 km SE
Where it sits

Where Llyn Idwal sits

Range
Cambrian Mountains19Snowdonia15
Region
Wales60United Kingdom371Europe2,143
Nearby

Nearby places

More 1
More in the Snowdonia 6
See all 15 in the Snowdonia →
Downloads

Llyn Idwal downloads: topographic map, heightmap, STL 3D model and DEM

Free files made in your browser from this page's terrain data. No sign-up; credit the sources below.

Print & wall
3D printing & 3D apps
GIS & GPS
</>Embed this mapPaste this into your site to show the interactive 3D terrain, with a credit link back here.<iframe src="https://topolu.com/embed/llyn-idwal" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Llyn Idwal"></iframe> <p><a href="https://topolu.com/llyn-idwal" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Sources

Data sources

Terrain
Produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
Imagery
Contains modified Copernicus Sentinel data 2026 (scene 2026-07-15)
Land cover
© ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts
Wikidata (CC0)
Camping & parking, Geometry
© OpenStreetMap contributors (ODbL)
Summits
© OpenStreetMap contributors, via Overture Maps Foundation (ODbL)
Panorama
Includes Copernicus WorldDEM-90 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
Forecast
Weather forecast from MET Norway (CC BY 4.0)
Sources
Wikidata · GeoNames · Wikipedia