The most precious treasures are sometimes just beneath our feet ... or over our heads!

This is priceless, yet it has not discovered until 2002.

That year a scientific map of the quality of night skies in France was published: on top of limestone Quercy, one sees a black triangle ...

The area of lowest light pollution in metropolitan France is there, between Rocamadour and the valley of the Cele!

In the now famous "black triangle Quercy, light at night is almost entirely natural. The brightness of all stars reaches us in effect without being troubled by a halo of light generated by our public lighting.

What wonder, summer evenings, when deep in the night stand the Milky Way and stars, intense, vibrant! Astronomers, professional and amateur, do not wait to rush, of course!