Going to Salar de Uyuni ? Then you should decide whether it will be dry or wet season. If you want to see the amazing mirror effect, then your choice should be wet season (November-February).
As there is no water on the ground in dry season, you may shoot more fancy photos comparing to wet season. But don’t forget, it is really hard to take these photos, adjusting may take an hour for each photo. Better to secure more time for this activity.
If you are planning to buy simcard, think twice. After arriving Salar de Uyuni and planning to travel around, reception is limited around that area.
We dont recommend renting a car in Salar de Uyuni. There are no roads and traffic signs around. Locals find their way considering the hills around. Good deals and tours are available. Reasonable prices. We recommend Red Planet. They also drop you at the Chilean Border. Small buses take you to San Pedro, Chile. All included in the price.
Watch out for Alttidue Sickness. It is a pathological effect of high altitude on humans, caused by acute exposure to low partial pressure of oxygen at high altitude. It commonly occurs above 2,400 metres. If you travelling from a low alttidude location like Rio de Janeiro, it is NOT recommended to fly a location above 2400 meters. The general rule of thumb is to not ascend more than 300 metres (1,000 ft) per day to sleep. We did more of this alttidue and had headache for several days. It can lead to coma or death on some people. Some pills may help to kill this pain . But it didnt help us Descending to lower altitudes is the only solution. Bolivia lies on really higher alttiudes.