42°30′27.17″N 2°7′16.50″E / 42.5075472°N 2.1212500°E
The Mont-Louis Solar Furnace is an experimental solar furnace - a solar thermal energy facility that was built in 1949. It was the first facility of its kind in the world, and was a precursor of the Odeillo Solar Furnace. It provides a thermal power of 50 kW.