The Odeillo solar furnace is the world's largest solar furnace. It is situated in Font-Romeu-Odeillo-Via, in the department of Pyrénées-Orientales, in south of France. It is 54 metres high and 48 metres wide, and includes 63 heliostats. It was built between 1962 and 1968, and started operating in 1970, and has a power of one megawatt.
It serves as a science research site studying materials at very high temperatures.
Coordinates 42°29'41.259" N 2°1'45.547" E