Llyn Ogwen
- Area
- 0.39 km²
- Tonight
- 5°CCloudy · Wind 19 km/h W
Llyn Ogwen is a lake at 299 m above sea level in Wales, United Kingdom, 0.39 km² in area and 1.6 km long.
All facts
- Surface elevation
- 299 m
- Length
- 1.6 km
- Shoreline
- 3.9 km
Llyn Ogwen in numbers
Shoreline from OpenStreetMap.
- Shoreline
- 3.9 km≈1 h to walk around
Llyn Ogwen 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
Llyn Ogwen 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.
Llyn Ogwen elevation profile
West → east through the centre
Llyn Ogwen weather
Tonight · Cloudy · 5°C (41°F) · 0.4 mm · Wind 19 km/h W
Llyn Ogwen forecast for about 299 m.
- Tonight5°0.4 mm19 km/h W
- Today6°12°30.5 mm49 km/h W
- Sun6°8°3.8 mm43 km/h W
- Mon7°11°21.7 mm37 km/h S
- 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 23, 23:18 UTC.
Camping & parking near Llyn Ogwen
Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Llyn Ogwen, nearest first, by straight-line distance. Check access, fees and permits locally.
Nearest parking
0.2 km SSE
Nearest campsite
Gwern Gof Uchaf Campsite
Nearest hut
Helyg
Nearest caravan site
Bryn Llys Caravan Site
All mapped places 10
| Place | Distance |
|---|---|
| Parking | 0.2 km SSE |
| Parking | 0.3 km SSW |
| Parking | 0.5 km SW |
| Gwern Gof Uchaf CampsiteCampsite | 1.0 km E |
| YHA IdwalCampsite | 1.4 km W |
| Gwern Gôf Isaf Campsite & BunkhousesCampsite | 2.4 km E |
| HelygHut | 2.9 km E |
| Ynys EttwsHut | 5.4 km SW |
| Cwm Glas MawrHut | 5.6 km SW |
| Bryn Llys Caravan SiteCaravan site | 7.2 km NW |
Slope
Share of the 4 × 4 km view by steepness, from the 30 m model.
Mixed terrain: gentle slopes, steep faces and everything between.
- Steeper than 30°
- 25.8% of the 16 km² view
- Relief in view
- 777 m low point 198 m
Land cover
ESA WorldCover 10 m classification of the same area.
Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.
Wildlife seen nearby
Sightings of the most-seen species on iNaturalist (research grade) within 2 km; 354 species recorded in all.
Sightings per species 6
- Bog asphodel67
- Common heather67
- Bell Heather43
- Common Butterwort41
- Drinker Moth39
- Common bilberry39
Where Llyn Ogwen sits
- Region
- Wales60United Kingdom371Europe2,143
Nearby places
Llyn Ogwen 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
Free to use with credit: see the data 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)
- Wildlife
- iNaturalist community observations, counts only
- 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)