This post begins a series looking at the secondary lines in the French Departement of Bouches du Rhone. The first line we focus on is a standard gauge line from Tarascon sur Rhone to Plan d'Orgon. http://rogerfarnworth.com/2019/03/09/bouches-du-rhone-and-its-railways-part-1-tarascon-to-plan-dorgon
This next post looks at the line which ran between Orgon and Barbentane. The tracks for this line remain substantially in place, although a bit overgrown in places. http://rogerfarnworth.com/2019/03/13/bouches-du-rhone-and-its-railways-part-2-orgon-to-barbentane
Yes, the department covers the area on the Mediterranean coast and a distance inland around the mouth of the River Rhone.