Just 10km from the Bolivian border and an altitude of 4320m makes it the highest and 3rd largest geyser field in the world with 80 some Geyser holes. El Tatio Geysers
We walked and strolled thru the fields in the afternoon and went for a relaxing dip in the thermal pool.
We decided to camp overnight in the parking lot so we could experience the steam fumerales during the cool morning.
The visit came to a crashing end when I became very sick very quickly. Bob tore down the tent while I sat motionless in the truck and we headed back down to lower altitude. "You were in distress" is how he assumed it up.