Salar de Aguas Calientes is a high mountain salt flat at an elevation of 4.250m (13,943ft) above the sea level located in the Antofagasta Region, of northern Chile. Daytime temperatures will reach up to 30 °C, while at night temperatures will tend to drop very low, even below freezing point in winter. There are often also b winds in the area.
The road to the lake is the lonely international Ruta 27. It’s asphalted. Remember that you will be crossing the Andes, travelling through a semi desert area with few people and will be travelling at an average height of 3.000 m.a.s.l. The road was opened on 6 December 1991, and is paved throughout since 2005. The lake is located within the Reserva Nacional Los Flamencos.