Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
32.0km²
Area
61km
Coastline
123m
Highest point
845
People
16°C
Warmest sea
August
598km
To the mainland
When to go to Inis Mór
Good all year round.
The sea is warmest in August (16 °C) and coolest in February (9 °C). The water never reaches 21 °C: bring a wetsuit.
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 on the west coast of Ireland
Inis Mór is an island in Ireland. It belongs to Aran Islands. It covers 32.0 km², with 61 km of coastline. Its highest point rises to 123 m. About 845 people live on it. The nearest mainland is 598 km away.
Getting there
- Shannon Airport (SNN)nearest airport with scheduled flights · 71 km in a straight lineCar hire at SNN airport (Shannon)Discover Cars · Affiliate link↗
- FerriesInis Meáin - Inis Mór, Ros an Mhíl - Inis Mór, Doolin - Inis Mór: Seasonal (Doolin2Aran), Doolin - Inis Mór: Seasonal (Doolin Ferry Co.)
- 598 km from the mainlanddistance to the nearest continental coast
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 Inis Mór.
- 29beachesTrá na mBuailte (Beach of the Booly), Kilmurvey Beach and 27 more
- 3viewpointsSeal Colony Lookout, Cliffs of Aran
- 1lighthousesDún Aránn Lighthouse
- 1marinas
- 1named peaksCorker
- 2castles and fortsArkin's Castle
- 25ruins and archaeological sitesOghil Fort, Kelp Factory, Dun Aengus and 22 more
- 1campsitesAran Islands Camping & Glamping
- 14hotels, guesthouses and apartments
- 6restaurants, cafés and bars
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
Inis Mór in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Inis Mór, each with its own numbers.
2beaches and covesCoastya
Beach with the warmest sea
16.1°C
Portdeha
sea in the warmest month · according to Coastya
The shape of the land.
On average the island stands 38 m above the sea. 100 % of it is below 200 m.
- 68 %0–50 m
- 32 %50–200 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.
10 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 9 | 9 | 9 | 11 | 12 | 15 | 16 | 16 | 16 | 14 | 12 | 10 |
| Night low (°C) | 8 | 7 | 7 | 8 | 10 | 13 | 14 | 15 | 14 | 12 | 10 | 8 |
| Sea (°C) | 9 | 9 | 9 | 10 | 12 | 14 | 15 | 16 | 15 | 14 | 12 | 10 |
| Rain (mm) | 134 | 107 | 96 | 74 | 84 | 84 | 100 | 107 | 104 | 118 | 147 | 144 |
| Wet days | 21 | 18 | 17 | 15 | 16 | 16 | 20 | 19 | 18 | 20 | 22 | 22 |
| Sun h/day | 1.4 | 2.6 | 4.1 | 6.0 | 6.5 | 6.1 | 4.9 | 4.6 | 4.2 | 3.1 | 1.7 | 1.0 |
| Wind (km/h) | 34 | 32 | 29 | 25 | 25 | 23 | 23 | 24 | 26 | 29 | 32 | 34 |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | −0.2 | −0.1 | −0.2 | +0.2 | +0.2 | −0.5 | −0.9 | +0.3 | ±0.0 | −0.6 | −0.4 | −0.2 |
| 2021 | −0.2 | +0.3 | +0.2 | +0.3 | −0.1 | −0.3 | +1.4 | +0.4 | +1.2 | +0.8 | +0.5 | +0.1 |
| 2022 | +0.2 | +0.3 | +0.5 | +0.6 | +1.4 | +0.4 | −0.1 | +0.8 | +0.9 | +0.8 | +0.6 | +0.1 |
| 2023 | ±0.0 | +0.2 | +0.4 | +0.5 | +1.5 | +2.6 | +1.1 | +0.7 | +1.4 | +0.7 | +0.6 | +0.1 |
| 2024 | ±0.0 | +0.6 | +0.7 | +0.9 | +1.2 | −0.2 | −0.4 | −0.3 | ±0.0 | ±0.0 | +0.7 | +0.5 |
| 2025 | +0.4 | +0.7 | +0.8 | +1.2 | +2.4 | +1.1 | +1.0 | +1.0 | −0.1 | ±0.0 | +0.3 | +0.1 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Ireland
Ireland84,421 km²1,039 m123 km away
Inis MeáinIreland9.8 km²79 m10 km away
Inis OírrIreland6.2 km²57 m15 km away
Achill IslandIreland148 km²688 m95 km away
Valentia IslandIreland26 km²267 m142 km away
Skellig MichaelIreland0.22 km²218 m160 km away
ArranmoreIreland18 km²16 m222 km away
Tory IslandIreland3.6 km²62 m257 km awayAbout these numbers
| Names, area, population | Wikidata (Q369318) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Beaches, mountains, lakes and waterfalls | Coastya — 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.
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