The Paléo Festival de Nyon, is an annual rock festival held in Nyon, Switzerland, between Geneva and Lausanne. It started in a small way in 1976, &  today it is one of the major open-air music festivals in mainland Europe. 

The festival lasts six days at the end of July, from Tuesday to Sunday, and the final main stage concert is preceded by a great firework display with music.

Nearly 4,700 volunteers staff involved in its development.