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Lake · Wales

Llyn y Fan Fach

499 m1,637 ft
Area
0.11 km²
Tonight
5°CCloudy · Wind 17 km/h W

Llyn y Fan Fach is a lake at 499 m above sea level in Wales, United Kingdom, 0.11 km² in area and 0.6 km long.

All facts
Surface elevation
499 m
Length
0.6 km
Shoreline
1.7 km
Open the 3D view
Lake

Llyn y Fan Fach in numbers

Shoreline from OpenStreetMap.

0.6 km longest100 mN ↑
Shoreline
1.7 km≈30 min to walk around
3D map

Llyn y Fan Fach 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 y Fan Fach 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.

Index contours every 100 mShowing west → east through the centre

Llyn y Fan Fach 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 y Fan Fach weather

Tonight · Cloudy · 5°C (41°F) · 0.5 mm · Wind 17 km/h W

Llyn y Fan Fach forecast for about 499 m.

  • Tonight5°0.5 mm17 km/h W
  • Today5°12°35.2 mm40 km/h W
  • Sun5°9°2.0 mm43 km/h W
  • Mon7°12°20.7 mm36 km/h SW
  • Tue7°9°4.9 mm34 km/h W
  • Wed8°11°0.9 mm25 km/h W
  • Thu8°11°0.3 mm13 km/h S
  • Fri8°11°7.4 mm20 km/h SE
  • Sat4°9°0.6 mm14 km/h NW
  • Sun2°6°1.5 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

Camping & parking near Llyn y Fan Fach

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

  • Nearest parking

    2.0 km N

    +2 more within 5.6 km

    DirectionsMap

  • Nearest caravan site

    Black Mountain Caravan and Camping Park

    5.1 km NW

    DirectionsMap

  • Nearest campsite

    Tafarn-y-Garreg

    6.6 km SE · +2 more within 7.5 km

    DirectionsMap
All mapped places 7
PlaceDistance
Parking2.0 km N
Black Mountain Caravan and Camping ParkCaravan site5.1 km NW
Parking5.6 km NNE
Parking5.6 km NNE
Tafarn-y-GarregCampsite6.6 km SE
Brecon Beacons Camping & Caravan ParkCampsite6.7 km SE
Cosmos CampingCampsite7.5 km W
Slope

Slope

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

Mostly gentle: 80% of the view is under 15°.

Gentle, 0–15°
79.9%
Moderate, 15–30°
17.0%
Steep, 30–45°
2.7%
Cliffs, 45° and over
0.4%
Steeper than 30°
3.1% of the 16 km² view
Relief in view
546 m low point 235 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Grassland 98.5%Trees 0.8%Water 0.7%

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 y Fan Fach.

NESW1 km2 km123
Summit list 3
  1. 1Waun Lefrith679 m 0.5 km SW
  2. 2Picws Du749 m 1.0 km E
  3. 3Fan Foel781 m 2.0 km ENE
Wildlife

Wildlife seen nearby

Sightings of the most-seen species on iNaturalist (research grade) within 2 km; 53 species recorded in all.

Sightings per species 6
  • Mallard6
  • Woodland Dor Beetle5
  • Moorland ground beetle5
  • Meadow Pipit3
  • Scarlet Waxy Cap3
  • Green spleenwort3
Where it sits

Where Llyn y Fan Fach sits

Region
Wales60United Kingdom371Europe2,143
Protected area
Bannau Brycheiniog National Park4
Nearby

Nearby places

More 1
Downloads

Llyn y Fan Fach 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-y-fan-fach" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Llyn y Fan Fach"></iframe> <p><a href="https://topolu.com/llyn-y-fan-fach" 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)
Wildlife
iNaturalist community observations, counts only
Forecast
Weather forecast from MET Norway (CC BY 4.0)
Sources
Wikidata · Wikipedia