Pastos Grandes Lake

Lake High-altitude saline lake in Potosí Department

A high-altitude lake in Potosí Department, Pastos Grandes Lake sits on the Bolivian Altiplano with saline flats and mineral deposits. Naturalists visit for flamingos, other Andean birdlife and stark geological scenery.

Main image
Pastos Grandes Lake
-21.6956, -67.7555

How to Get to Pastos Grandes Lake #

Located in southwestern Potosí Department, Pastos Grandes is remote and typically reached from Uyuni or local towns by 4x4 over unpaved highland roads. Travel often requires a local driver familiar with altiplano conditions.

Tips for Visiting Pastos Grandes Lake #

  • High-altitude sun is intense-use strong sunscreen and sunglasses, and layer clothing for biting winds.
  • Hire a local guide if planning to drive off-road; the puna landscape hides sinkholes and soft ground.

Best Time to Visit Pastos Grandes Lake #

The dry season is generally safer and easier for visiting due to more reliable roads.

Dry season (better access)
May-October · -5-12°C
Clear skies and frozen mornings; roads are firmer for travel.
Wet season (variable access)
November-April · -10-8°C
Snow and seasonal flooding can make access difficult; dramatic, cloud-scoured vistas.

Weather & Climate near Pastos Grandes Lake #

Climate

Pastos Grandes Lake's climate is classified as Cold Desert - Cold Desert climate with cold summers (peaking in January) and freezing winters (coldest in June). Temperatures range from -10°C to 16°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Temperature & Rainfall
Temperature Range
16°
Warmest Month
-11°
Coldest Month
Monthly Conditions

January

January is cold with highs of 16°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
16°

Weather

28 mm
Rainfall
4.5 m/s
Wind
Light Breeze

February

February is cold with highs of 15°C and lows of 0°C. The wettest month with 31 mm of rain.

Comfort

Feels Like Cold
C
Temperature
15°

Weather

31 mm
Rainfall
4.3 m/s
Wind
Light Breeze

March

March is cold with highs of 15°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
15°

Weather

11 mm
Rainfall
4.3 m/s
Wind
Light Breeze

April

April is cold with highs of 14°C and lows of -3°C. The driest month with just 0 mm.

Comfort

Feels Like Cold
C
Temperature
-3° 14°

Weather

0 mm
Rainfall
4.1 m/s
Wind
Light Breeze

May

May is cold with highs of 12°C and lows of -6°C. Almost no rain.

Comfort

Feels Like Cold
C
Temperature
-7° 12°

Weather

1 mm
Rainfall
4.3 m/s
Wind
Light Breeze

June

June is the coldest month with highs of 8°C and lows of -10°C. Almost no rain.

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-11°

Weather

1 mm
Rainfall
4.6 m/s
Wind
Light Breeze

July

July is freezing with highs of 9°C and lows of -10°C. Almost no rain.

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-11°

Weather

1 mm
Rainfall
4.6 m/s
Wind
Light Breeze

August

August is freezing with highs of 10°C and lows of -10°C. Almost no rain.

Comfort

Feels Like Freezing
C
Temperature
-10° 10°

Weather

1 mm
Rainfall
4.5 m/s
Wind
Light Breeze

September

September is cold with highs of 12°C and lows of -6°C. Almost no rain.

Comfort

Feels Like Cold
C
Temperature
-6° 12°

Weather

1 mm
Rainfall
4.7 m/s
Wind
Light Breeze

October

October is cold with highs of 14°C and lows of -5°C. The driest month with just 0 mm.

Comfort

Feels Like Cold
C
Temperature
-5° 14°

Weather

0 mm
Rainfall
4.6 m/s
Wind
Light Breeze

November

November is cold with highs of 14°C and lows of -2°C. Almost no rain.

Comfort

Feels Like Cold
C
Temperature
-2° 14°

Weather

3 mm
Rainfall
4.9 m/s
Wind
Light Breeze

December

December is cold with highs of 16°C and lows of 0°C. Almost no rain.

Comfort

Feels Like Cold
C
Temperature
-1° 16°

Weather

6 mm
Rainfall
4.8 m/s
Wind
Light Breeze

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