Among your first stops should be Office de Tourisme de Florac. Here, you'll be able to orient yourself and pick up some great ideas before you start exploring.
You'll soon see why this Florac tourist information center is popular with travelers. If you're searching for more to explore, Cascade de Runes, Robert Louis Stevenson Trail, and Les Tortues Branchees are in the area too. They won't take you long to get to from Office de Tourisme de Florac.