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Puna de Atacama

Plateau

The Puna de Atacama is a high Andean plateau of salt flats, volcanic cones and sparse settlements; travelers arrive for high-altitude landscapes, geology and stargazing rather than urban amenities.

Puna de Atacama Buenos AiresBarilocheMendozaEl CalafateUshuaiaSaltaPuerto IguazúPuerto MadrynPuna de Atacama
In this guide

Puna de Atacama essentials

Country: Argentina
Driest months: Apr-Jun
Pay in: Peso ($)
Language: Spanish
Emergency: 101

Puna de Atacama at a Glance

About Puna de Atacama

The Puna de Atacama is a high-altitude plateau region in the central Andes of northwestern Argentina, characterised by arid, high-elevation terrain and volcanic formations. It is part of the greater Andean altiplano corridor.

The landscape is dominated by salt flats, dry lake beds, volcanic cones and scattered high Andean lagoons, with sparse vegetation adapted to cold, dry conditions. Travel is typically for scientific, adventure or scenic purposes rather than conventional tourism, and roads can be remote and seasonal.

The region has long been sparsely populated by indigenous Andean communities and was later mapped during colonial and national explorations of the central Andes. Geological and mining surveys have shaped modern interest in the area.

The Puna de Atacama lies in the high Andes of northwestern Argentina, spanning provinces such as Salta and Catamarca; elevations commonly range from about 3,000 to over 4,500 meters above sea level.

Tips for Visiting Puna de Atacama

  • Acclimatize in a lower-altitude town (for example Salta or San Pedro de Atacama) before heading into the Puna; altitude sickness and long, remote distances are the chief practical concerns.
  • Start excursions early in the day to take advantage of the typically clearer morning skies and to avoid the risk of afternoon storms on the high plateau.
  • Treat travel logistics carefully: use a high-clearance/4x4 vehicle, carry extra fuel and communications, and plan routes because services and phone coverage are sparse.
When to Go

Best Time to Visit Puna de Atacama

Visit the Puna de Atacama in the austral spring-summer (October-March) for milder days and better accessibility, while still expecting very cold nights.

Austral spring-summer (more accessible)
October-March · Day: 0-20°C; Night: often below 0°C
Milder daytime temperatures and longer daylight make travel in the high plateau easier, but nights remain very cold and afternoon storms are possible.
Austral winter (harsh conditions)
May-September · Well below 0°C at night; cold by day
Very cold, often snowy and windy-many roads and passes may be impassable and travel is more difficult; prepare for strong UV and large diurnal swings year-round.

Weather & Climate near Puna de Atacama

Climate

Puna de Atacama's climate is classified as Cold Desert - Cold Desert climate with cool summers (peaking in January) and cold winters (coldest in June). Temperatures range from -7°C to 19°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Air Quality: AQI 74 Moderate
Temperature & Rainfall
Temperature Range
19°
Warmest Month
-7°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - 4° - 18° 11° 23 mm - - 4.3 m/s - -
February - 4° - 17° 10° 26 mm - - 4.1 m/s - -
March - 3° - 17° 8° 11 mm - - 4.1 m/s - -
April - 0° - 15° 5° 0 mm - - 4.1 m/s - -
May - -3° - 13° 1° 0 mm - - 4.6 m/s - -
June - -6° - 11° -2° 0 mm - - 5.0 m/s - -
July - -7° - 11° -2° 0 mm - - 5.0 m/s - -
August - -6° - 13° 0° 1 mm - - 4.8 m/s - -
September - -3° - 15° 3° 1 mm - - 4.9 m/s - -
October - -1° - 17° 5° 2 mm - - 4.8 m/s - -
November - 2° - 18° 7° 5 mm - - 4.8 m/s - -
December - 3° - 19° 11° 17 mm - - 4.7 m/s - -