Sisco Mesa
Plateau Flat-topped Antarctic mesa rising above surrounding ice
An Antarctic mesa near 85.8°S mapped in polar surveys; access is restricted to scientific field parties conducting glaciological and geological research.
Sisco Mesa is a flat-topped upland feature in Antarctica characterised by steep sides and a relatively level summit. As a geomorphological feature, it stands out in the polar landscape and is principally a subject of geographic and scientific records.
The mesa does not function as a visitor destination and is accessed only by specialised polar expeditions and research teams when logistical conditions allow. Fieldwork in the area is driven by scientific objectives rather than tourism.
Named geographic features in Antarctica are recorded by national naming authorities and used for mapping and navigation in polar research.
The mesa lies deep in the Antarctic interior near latitude 85.83 degrees south, within a region of extreme cold and permanent ice and snow.
- Access: There is no routine tourist access; the feature is of interest mainly to Antarctic researchers and is visited only as part of organised scientific expeditions.
How to Get to Sisco Mesa #
There is no public access. Sisco Mesa is reached only by scientific expeditions using ski-equipped aircraft or long overland traverses organized through national Antarctic programs. Logistics must be arranged through the appropriate program and comply with Antarctic Treaty permitting.
Tips for Visiting Sisco Mesa #
- This feature is within the Antarctic interior and accessible only to scientific teams-do not plan independent travel here.
- Ensure all equipment meets Antarctic Treaty environmental and waste protocols; no material may be left behind.
- Prepare for extreme cold, crevasse risk and logistics that include long-range ski-equipped aircraft.
Best Time to Visit Sisco Mesa #
Sisco Mesa in Antarctica is reachable only during the austral summer as part of organized scientific operations; conditions remain extreme.
Weather & Climate near Sisco Mesa #
Sisco Mesa's climate is classified as Ice Cap - Ice Cap climate with freezing summers (peaking in January) and freezing winters (coldest in August). Temperatures range from -55°C to -21°C. Very dry conditions with minimal rainfall with a pronounced dry season.
January
January is freezing with highs of -21°C and lows of -30°C. The driest month with just 0 mm.
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February
February is freezing with highs of -28°C and lows of -39°C. Almost no rain.
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March
March is freezing with highs of -36°C and lows of -47°C. Light rainfall.
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April
April is freezing with highs of -41°C and lows of -50°C. Light rainfall.
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May
May is freezing with highs of -41°C and lows of -51°C. Light rainfall.
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June
June is freezing with highs of -41°C and lows of -50°C. Almost no rain.
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July
July is freezing with highs of -43°C and lows of -52°C. Light rainfall.
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August
August is the coldest month with highs of -47°C and lows of -55°C. The wettest month with 48 mm of rain.
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September
September is freezing with highs of -43°C and lows of -52°C. Almost no rain.
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October
October is freezing with highs of -37°C and lows of -47°C. Light rainfall.
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November
November is freezing with highs of -28°C and lows of -37°C. Almost no rain.
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December
December is freezing with highs of -21°C and lows of -30°C. Almost no rain.
