Mountain · Mourne Mountains · Northern Ireland

Slieve Donard

849 m2,785 ft

Prominence: 825 m2,707 ft
Isolation: 124 km
Tonight: 1°CPartly cloudy · Wind 31 km/h SW

Slieve Donard is an 849 m (2,785 ft) mountain in the Mourne Mountains, Northern Ireland, United Kingdom.

All facts

Elevation: 849 m · 2,785 ft
Nearest higher peak: Lugnaquilla (925 m)
Range: Mourne Mountains
Region: Northern Ireland, United Kingdom
Coordinates: 54.1801° N, 5.9206° W

Open the 3D view

3D map

Slieve Donard 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

Surface

Vertical scale

Topographic map

Slieve Donard 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 summit

Slieve Donard elevation profile

West → east through the summit

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

Weather

Slieve Donard weather

Tonight · Partly cloudy · 1°C (34°F) · 0.3 mm · Wind 31 km/h SW

Slieve Donard forecast for the summit, about 849 m. Summit vs base: the Base line is for about -2 m.

Tonight1°0.3 mm31 km/h SWBase 6°
Today3°8°17.2 mm60 km/h SBase 8 / 13°
Sun2°6°0.4 mm48 km/h WBase 7 / 11°
Mon4°10°13.1 mm49 km/h SBase 10 / 16°
Tue5°6°2.1 mm36 km/h SWBase 10 / 11°
Wed5°8°0.2 mm20 km/h SWBase 10 / 13°
Thu5°7°2.8 mm27 km/h SBase 10 / 13°
Fri7°7°40.1 mm24 km/h SBase 13 / 13°
Sat1°6°1.2 mm21 km/h NWBase 6 / 11°
Sun0°4°0.2 mm24 km/h NWBase 5 / 9°

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.

Slope

Share of the 7.4 × 7.4 km view by steepness, from the 30 m model.

Mostly gentle: 55% of the view is under 15°.

Gentle, 0–15°

54.7%

Moderate, 15–30°

38.7%

Steep, 30–45°

6.4%

Cliffs, 45° and over

0.3%

Steeper than 30°: 6.7% of the 55 km² view
Relief in view: 850 m low point -2 m

Land cover

ESA WorldCover 10 m classification of the same area.

Grassland 74.4%Water 13.6%Trees 10.4%Built-up 1.4%

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

Nearby summits

Named peaks within 3.7 km, measured from the Slieve Donard summit.

Summit list 9

1Crossone540 m 1.0 km ESE
2Slieve Commedagh767 m 1.5 km NW
3Slieve Beg596 m 1.8 km W
4Chimney Rock Mtn656 m 2.0 km SSE
5Cove Mtn655 m 2.2 km WSW
6Slieve Corragh642 m 2.3 km WNW
7Slievenaglogh East Top571 m 3.1 km WNW
8Slievelamagan702 m 3.3 km WSW
9Slievenaglogh584 m 3.3 km WNW

Where it sits

Where Slieve Donard sits

Nearby

Nearby places

More 1

Lough NeaghLake · 16 m58 km NNW

Downloads

Slieve Donard 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

JPGSlieve Donard satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2026-08-24.

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/slieve-donard" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Slieve Donard"></iframe>
<p><a href="https://topolu.com/slieve-donard" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Accuracy

How accurate is this?

within 10 m This 3D map reads 847 m at the summit; the official height is 849 m.

A 30 m terrain model averages each cell, so a few metres either way is normal.

Source	Summit	Difference
Official height (Wikidata)	849 m	—
Copernicus GLO-30 (used on this page)	847 m	-2 m
Copernicus GLO-90	841 m	-8 m

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 2026-08-24)
Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts: Wikidata (CC0)
Accuracy comparison, 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 · OpenStreetMap · GeoNames · Wikipedia