Mountain · Ox Mountains

Knocknashee

276 m906 ft

Prominence: 178 m583 ft
Isolation: 4.8 km
Region: Ireland
Tonight: 5°CHeavy rain · Wind 32 km/h S

Knocknashee is a 276 m (906 ft) mountain in the Ox Mountains, Ireland.

All facts

Elevation: 276 m · 906 ft
Nearest higher peak: Knockalongy (544 m)
Range: Ox Mountains
Coordinates: 54.1199° N, 8.6790° W

Open the 3D view

3D map

Knocknashee 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 6 × 6 km

Surface

Vertical scale

Topographic map

Knocknashee terrain and contours

10 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 50 mShowing west → east through the summit

Knocknashee 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

Knocknashee weather

Tonight · Heavy rain · 5°C (41°F) · 7.5 mm · Wind 32 km/h S

Knocknashee forecast for the summit, about 276 m.

Tonight5°7.5 mm32 km/h S
Today7°11°17.4 mm54 km/h W
Sun5°9°4.2 mm44 km/h W
Mon6°14°23.6 mm46 km/h S
Tue7°8°4.6 mm32 km/h W
Wed7°12°0.3 mm19 km/h SW
Thu9°11°7.0 mm30 km/h SE
Fri2°10°2.4 mm15 km/h N
Sat1°6°2.6 mm9 km/h SW
Sun3°6°3.1 mm15 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, 23:19 UTC.

Slope

Share of the 6 × 6 km view by steepness, from the 30 m model.

Mostly gentle: 98% of the view is under 15°.

Gentle, 0–15°

98.4%

Moderate, 15–30°

1.6%

Steep, 30–45°

0.0%

Cliffs, 45° and over

0.0%

Steeper than 30°: 0.0% of the 36 km² view
Relief in view: 218 m low point 54 m

Land cover

ESA WorldCover 10 m classification of the same area.

Grassland 87.4%Trees 12.1%

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

Where it sits

Where Knocknashee sits

Nearby

Nearby places

More 1

Slieve AnierinPeak · 585 m46 km E

Downloads

Knocknashee 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

JPGKnocknashee 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/knocknashee" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Knocknashee"></iframe>
<p><a href="https://topolu.com/knocknashee" 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 272 m at the summit; the official height is 276 m.

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

Source	Summit	Difference
Official height (Wikidata)	276 m	—
Copernicus GLO-30 (used on this page)	272 m	-4 m
Copernicus GLO-90	270 m	-6 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)
Wildlife: iNaturalist community observations, counts only
Accuracy comparison: 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 · Wikipedia