Oyonnax is the second most populated commune in the Ain department in the Auvergne-Rhône-Alpes region in eastern France.
Oyonnax lies in a valley of the Jura Mountains in the far north of Ain. It is near the Parc naturel régional du Haut-Jura. The city is on the river Ange.
Its prominence in the plastics industry has earned it the name Plastics Valley.
Wikipedia https://en.wikipedia.org/wiki/Oyonnax
Official Website http://www.oyonnax.fr/
Coordinates 46°15'27.063" N 5°39'20.225" E