About Saunders Island, South Sandwich Islands
Saunders Island is an uninhabited volcanic island in the South Sandwich Islands in the southern Atlantic Ocean. It forms part of the remote South Sandwich island chain and is notable for its volcanic topography.
The island’s most striking geological feature is its central volcano, which contains an active crater hosting a persistent lava lake observed in recent decades via satellite and aerial surveys. The volcanic activity makes the island of interest to volcanologists.
There is no permanent human habitation and the island is visited only by scientific expeditions and occasional cruises under strict biosecurity controls. The island’s ecology is typical subantarctic, with seabird colonies and restricted vegetation on coastal areas.
Saunders Island lies in the southern Atlantic, southeast of South Georgia, and is administered as part of the British Overseas Territory of South Georgia and the South Sandwich Islands. Its remote location places it far from inhabited land.
- Access and status: Uninhabited and administered as part of the British Overseas Territory of South Georgia and the South Sandwich Islands; access is by expedition vessel and is restricted by remote weather and sea conditions.
What to See#
- Mount Michael (active crater): A prominent feature is the island’s central stratovolcano, which hosts an active crater with a persistent lava lake that has been observed by satellite and aerial studies.
Nearby Attractions to Saunders Island, South Sandwich Islands
Best Time to Visit Saunders Island, South Sandwich Islands
The only practical visiting season is the austral summer (Dec-Feb) when sea and weather conditions are most tenable for polar vessels.
Weather & Climate near Saunders Island, South Sandwich Islands
Saunders Island, South Sandwich Islands's climate is classified as Ice Cap - Ice Cap climate with cold summers (peaking in February) and freezing winters (coldest in July). Temperatures range from -7°C to 5°C. Abundant rainfall (1674 mm/year), wettest in January, distributed fairly evenly throughout the year.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 3° - 4° | -1° | 174 mm | - | - | 6.5 m/s | - | - |
| February | - | 4° - 5° | -1° | 160 mm | - | - | 7.6 m/s | - | - |
| March | - | 2° - 4° | -2° | 145 mm | - | - | 7.9 m/s | - | - |
| April | - | -1° - 2° | -5° | 136 mm | - | - | 7.8 m/s | - | - |
| May | - | -4° - 0° | -8° | 145 mm | - | - | 7.4 m/s | - | - |
| June | - | -6° - 0° | -10° | 128 mm | - | - | 7.5 m/s | - | - |
| July | - | -7° - -1° | -11° | 130 mm | - | - | 7.6 m/s | - | - |
| August | - | -6° - -1° | -11° | 128 mm | - | - | 8.0 m/s | - | - |
| September | - | -4° - 1° | -9° | 124 mm | - | - | 8.0 m/s | - | - |
| October | - | -2° - 2° | -6° | 114 mm | - | - | 8.0 m/s | - | - |
| November | - | 0° - 3° | -4° | 133 mm | - | - | 7.5 m/s | - | - |
| December | - | 2° - 3° | -3° | 157 mm | - | - | 6.7 m/s | - | - |
How to Get to Saunders Island, South Sandwich Islands
Reachable only via dedicated Antarctic/ subantarctic expedition vessels from Ushuaia, Argentina or Stanley, Falkland Islands. Landings depend on weather and permit conditions.
Tips for Visiting Saunders Island, South Sandwich Islands
- Prepare for extreme weather-South Sandwich Islands are remote and subject to storms and heavy seas.
- Visits are undertaken via expedition vessels only; check itineraries with polar expedition companies.
- Bring cold-weather and waterproof gear; landing opportunities are often weather-dependent and brief.