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Rùm

107 km² rising to 812 m out of the Sea of the Hebrides.

When to go

Rùm seen from space, cut out from the sea (Sentinel-2)
N 2 km

Satellite: Sentinel-2 cloudless 2017 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.

In numbers

107km²

Area

78km

Coastline

812m

Highest point

Askival

22

People

14°C

Warmest sea

August

734km

To the mainland

When to go to Rùm

Good all year round.

The sea is warmest in August (14 °C) and coolest in February (8 °C). The water never reaches 21 °C: bring a wetsuit.

Sea temperature (the water level) Air: night low to afternoon high Wet days

Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.

Island in Lochaber, Highland, Scotland, UK, one of the Small Isles of the Inner Hebrides

Rùm is an island in United Kingdom. It covers 107 km², with 78 km of coastline. Its highest point, Askival, rises to 812 m. About 22 people live on it. The nearest mainland is 734 km away.

Read more on Wikipedia

Getting there

Plan the trip

Ferries, stays and things to do

Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.

On the island

What you find on Rùm.

  • 8beaches
  • 1ferry terminals
  • 24named peaksAskival, Ainshval, Sgùrr nan Gillean and 21 more
  • 10waterfalls
  • 1castles and fortsKinloch Castle
  • 51ruins and archaeological sites
  • 7waymarked walking routesNorth Side Nature Trail, Port na Caranean, Kilmory Bay and 4 more
  • 1campsites
  • 3hotels, guesthouses and apartments

Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.

Cross-checked with our atlases

Rùm in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Rùm, each with its own numbers.

  • 1beachCoastya
  • 9mountainsPeakyas
  • Highest point

    812m

    Askival

    prominence 812 m · according to Peakyas

  • Beach with the warmest sea

    14.0°C

    Wreck Bay

    sea in the warmest month · according to Coastya

1 beaches

on Coastya, the beach atlas

  1. Wreck Baycove14.0°C

Open Coastya ↗

9 mountains

on Peakyas, the mountain atlas

  1. Askivalprominence 812 m812m
  2. Sgùrr nan Gillean764m
  3. Orvalprominence 406 m571m
  4. Ainshval
  5. Hallival
  6. Ruinsival
  7. Àrd Nev
  8. Trollabhal

1 more on PeakyasOpen Peakyas ↗

The shape of the land.

On average the island stands 214 m above the sea. 53 % of it is below 200 m.

  • 11 %0–50 m
  • 42 %50–200 m
  • 41 %200–500 m
  • 5 %500–1,000 m

Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).

Size, for real

Next to islands you may know.

Rùm107 km²
Malta247 km²
Santorini76 km²

10 km

All outlines drawn to the same scale (Natural Earth and OpenStreetMap).

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)777912141515141298
Night low (°C)5446810121211975
Sea (°C)88881012131414131110
Rain (mm)18113012385100101117139138170162180
Wet days232021171618212220222323
Sun h/day0.31.63.45.87.06.15.34.63.32.00.60.0
Wind (km/h)312926222019182024262830

Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.

Recent years

Warmer and cooler years at sea.

Each month's sea temperature compared with its 1991–2020 average, in degrees.

JanFebMarAprMayJunJulAugSepOctNovDec
2020±0.0−0.1+0.2+0.5+0.6+0.9±0.0+0.2+0.1−0.2+0.3+0.3
2021−0.8−0.2+0.1+0.2+0.1±0.0+1.5+1.1+0.5+0.3+0.6+0.4
2022+0.5+0.5+0.8+0.7+0.7+0.5+0.1+0.2+0.9+0.5+1.2+1.0
2023+0.9+0.8+0.8+1.0+1.0+2.1+1.3+1.2+1.2+0.9+0.8+0.4
2024+0.8+1.0+0.9+0.8+1.4−0.3−0.3−0.4+0.2±0.0+0.5+0.5
2025+1.0+0.8+0.8+1.4+1.6+0.6+0.9+0.8+0.8+0.6+1.0+0.6

+1 warmer than usual −1 cooler than usual

About these numbers

Names, area, populationWikidata (Q278082) · CC0
Outline© OpenStreetMap contributors · ODbL
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, Peakyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit