Ross Island

Island Antarctic island near McMurdo, historic expedition huts present

Ross Island, off McMurdo, contains historic Antarctic expedition huts, volcanic ruins and penguin colonies; access is via organised expeditions and research voyages rather than casual tourism.

Main image

Ross Island is a volcanic island in McMurdo Sound, off the coast of Antarctica, discovered in 1841 by the British explorer James Clark Ross. It is one of the largest Antarctic islands, with an area of roughly 2,460 square kilometres, and includes the active volcano Mount Erebus.

The island combines active volcanic landscape and historic exploration sites. Visitors who land as part of regulated Antarctic cruises or scientific programs see steaming volcanic vents, large nunataks and several early 20th-century expedition huts at places such as Cape Royds and Cape Evans. Scientific teams based nearby use the island for monitoring volcanism and polar research; public visits are short and highly managed.

Ross Island was charted by the Ross expedition in 1841 and later served as a base area for British, American and New Zealand Antarctic programs. Early 20th-century structures include wooden field huts left by the Discovery, Nimrod and Terra Nova expeditions, which have been conserved as historic monuments under international agreements.

Geographically the island sits in McMurdo Sound adjacent to the Ross Sea. It hosts permanent research infrastructure on its shores and lies immediately south of the Antarctic Circle, close to the logistic hubs of McMurdo Station and Scott Base on nearby coastal ground.

  • Access and visitation: Accessible only by ice-capable vessel or aircraft operating under Antarctic Treaty rules; tourist visits are tightly regulated and usually part of organized Antarctic cruise itineraries.
  • Historic-hut restrictions: Several historic huts date from early 20th-century British expeditions and are conserved as archaeological sites; they are fragile and visits are restricted to protect fabric and artifacts.

What to See #

  • Historic huts (Cape Royds, Cape Evans, Hut Point): Small cluster of named sites on the island's coast that relate to early 20th-century Antarctic exploration, including purpose-built wooden huts, supply caches and landing points used by historic expeditions.
  • Mount Erebus: Active volcanic summit dominating the island and region; site of ongoing scientific monitoring with year-round fumarolic activity.
  • McMurdo / Scott Base area: Research and logistics locations used by modern Antarctic programs, including the adjacent McMurdo Station and New Zealand's Scott Base on the island's shores.
Ross Island
-77.5084, 167.7834

How to Get to Ross Island #

Ross Island is in the Ross Sea region of Antarctica and is not accessible by normal public transport. Reaching it requires participation in an approved Antarctic expedition or a government/science programme that operates voyages or flights to McMurdo Station. Typical access routes originate in Christchurch, New Zealand, and involve an ice-capable vessel on a long sea voyage (several thousand kilometres) or specialised flights to McMurdo; travel is only possible with authorised operators.

Tips for Visiting Ross Island #

  • Ross Island is accessible only as part of organized Antarctic expeditions (ship or flight) - you cannot visit independently, so book through an IAATO‑member operator.
  • Shore landings are weather and sea‑ice dependent and landing time is limited; expect last‑minute changes to the itinerary and follow all biosecurity procedures (boot cleaning, no disturbance of historic sites).
  • The island contains protected historic huts and sensitive wildlife habitats - maintain the required distances and avoid unsupervised wandering ashore.

Best Time to Visit Ross Island #

Visits are confined to the austral summer (roughly November-March), when ice conditions allow expedition cruises and landings.

Austral Summer (Visit Window)
Nov-Mar · -2 to +3°C
Ross Island is accessible mainly during the Antarctic summer; this is when sea ice retreats and expedition cruises/landings occur.
Austral Winter
Apr-Oct · well below freezing
Sea ice and extreme cold make visitor access effectively impossible except for specialized scientific operations.

Weather & Climate near Ross Island #

Climate

Ross Island's climate is classified as Ice Cap - Ice Cap climate with freezing summers (peaking in December) and freezing winters (coldest in August). Temperatures range from -40°C to -13°C. Very dry conditions with minimal rainfall.

Temperature & Rainfall
Temperature Range
-13°
Warmest Month
-40°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -13°C and lows of -19°C. Almost no rain.

Comfort

-16°
Feels Like Freezing
-16°C
Temperature
-19° -13°

Weather

4 mm
Rainfall
3.9 m/s
Wind
Light Breeze

February

February is freezing with highs of -18°C and lows of -26°C. Light rainfall.

Comfort

-22°
Feels Like Freezing
-22°C
Temperature
-26° -19°

Weather

18 mm
Rainfall
4.4 m/s
Wind
Light Breeze

March

March is freezing with highs of -26°C and lows of -34°C. Light rainfall.

Comfort

-30°
Feels Like Freezing
-30°C
Temperature
-34° -26°

Weather

11 mm
Rainfall
4.0 m/s
Wind
Light Breeze

April

April is freezing with highs of -30°C and lows of -37°C. Light rainfall.

Comfort

-33°
Feels Like Freezing
-33°C
Temperature
-37° -30°

Weather

12 mm
Rainfall
4.6 m/s
Wind
Light Breeze

May

May is freezing with highs of -31°C and lows of -38°C. Almost no rain.

Comfort

-34°
Feels Like Freezing
-34°C
Temperature
-38° -31°

Weather

8 mm
Rainfall
4.7 m/s
Wind
Light Breeze

June

June is freezing with highs of -30°C and lows of -37°C. Almost no rain.

Comfort

-34°
Feels Like Freezing
-34°C
Temperature
-37° -30°

Weather

9 mm
Rainfall
5.4 m/s
Wind
Light Breeze

July

July is freezing with highs of -32°C and lows of -38°C. Light rainfall.

Comfort

-35°
Feels Like Freezing
-35°C
Temperature
-38° -32°

Weather

12 mm
Rainfall
5.4 m/s
Wind
Light Breeze

August

August is the coldest month with highs of -34°C and lows of -40°C. Light rainfall.

Comfort

-37°
Feels Like Freezing
-37°C
Temperature
-40° -34°

Weather

17 mm
Rainfall
5.7 m/s
Wind
Light Breeze

September

September is freezing with highs of -31°C and lows of -38°C. Almost no rain and breezy conditions.

Comfort

-34°
Feels Like Freezing
-34°C
Temperature
-38° -31°

Weather

3 mm
Rainfall
6.7 m/s
Wind
Breezy

October

October is freezing with highs of -26°C and lows of -33°C. The driest month with just 2 mm.

Comfort

-30°
Feels Like Freezing
-30°C
Temperature
-33° -26°

Weather

2 mm
Rainfall
5.7 m/s
Wind
Light Breeze

November

November is freezing with highs of -19°C and lows of -25°C. Almost no rain.

Comfort

-22°
Feels Like Freezing
-22°C
Temperature
-25° -19°

Weather

6 mm
Rainfall
5.2 m/s
Wind
Light Breeze

December

December is freezing with highs of -13°C and lows of -19°C. Light rainfall.

Comfort

-16°
Feels Like Freezing
-16°C
Temperature
-19° -13°

Weather

11 mm
Rainfall
4.1 m/s
Wind
Light Breeze

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