In the Eduardo Avaroa National wildlife area, there is a geyser field located between 4,800 and 5,000 meters above sea level. There is a lot of geothermal activity in this area, so jets escaping geysers can reach a height of 10 to 50 meters; We have to be careful where we walk. Not far from there, in Termas de Polques, we can swim in thermal pools with natural water at 40 ° C, it was a good time.