Llyn Brianne
- Area
- 1.96 km²
- Tonight
- 6°CCloudy · Wind 21 km/h W
Llyn Brianne is a lake at 276 m above sea level in Wales, United Kingdom, 1.96 km² in area and 5.4 km long.
All facts
- Surface elevation
- 276 m
- Length
- 5.4 km
- Shoreline
- 25.3 km
Llyn Brianne in numbers
Shoreline from OpenStreetMap.
- Shoreline
- 25.3 km≈6¼ h to walk around
Llyn Brianne 3D map
Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 7.4 × 7.4 km
Llyn Brianne terrain and contours
20 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 Brianne elevation profile
West → east through the centre
Llyn Brianne weather
Tonight · Cloudy · 6°C (43°F) · 0.5 mm · Wind 21 km/h W
Llyn Brianne forecast for about 276 m.
- Tonight6°0.5 mm21 km/h W
- Today6°13°35.8 mm45 km/h W
- Sun6°10°3.4 mm43 km/h W
- Mon8°14°17.3 mm34 km/h S
- Tue8°10°5.8 mm32 km/h SW
- Wed10°12°1.1 mm23 km/h W
- Thu9°12°0.5 mm14 km/h SE
- Fri9°12°6.9 mm19 km/h SE
- Sat5°9°0.8 mm14 km/h NW
- Sun4°7°5.5 mm21 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 near Llyn Brianne
Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Llyn Brianne, nearest first, by straight-line distance. Check access, fees and permits locally.
Nearest parking
0.9 km ENE
Nearest caravan site
5.0 km SW
Nearest campsite
Rhandir mwyn C & C C
Nearest trailhead
Strata Florida Trailhead (Southernmost)
All mapped places 7
| Place | Distance |
|---|---|
| Parking | 0.9 km ENE |
| Parking | 1.6 km SW |
| Parking | 1.8 km NNE |
| Caravan site | 5.0 km SW |
| Rhandir mwyn C & C CCampsite | 6.8 km SSW |
| Caravan site | 7.1 km NE |
| Strata Florida Trailhead (Southernmost)Trailhead | 7.2 km N |
Slope
Share of the 7.4 × 7.4 km view by steepness, from the 30 m model.
Mostly gentle: 63% of the view is under 15°.
- Steeper than 30°
- 6.6% of the 55 km² view
- Relief in view
- 393 m low point 137 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.
Nearby summits
Named peaks within 3.7 km of Llyn Brianne.
Summit list 4
- 1Cefn Isaf380 m 1.4 km S
- 2Pen Rhiwbie380 m 2.4 km SW
- 3Rhuddallt330 m 2.6 km SSW
- 4Craig Clyngwyn400 m 3.3 km SW
Wildlife seen nearby
Sightings of the most-seen species on iNaturalist (research grade) within 3.7 km; 106 species recorded in all.
Sightings per species 6
- European Pied Flycatcher7
- Red Kite5
- White-throated Dipper4
- Yellowhammer4
- Grey Wagtail4
- Common Chaffinch3
Where Llyn Brianne sits
- Region
- Wales60United Kingdom371Europe2,143
Nearby places
Llyn Brianne 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
- Forecast
- Weather forecast from MET Norway (CC BY 4.0)