Les ouvrages fortifiés : Fort de Fontain

Discover the most original fort in Besançon's entrenched camp. It still looks great with its annex batteries, one of which was converted into an anti-aircraft battery in the 20th century.
RDV 2.30pm Fontain church
Full price €8; €6 for students, under-18s and associations belonging to the Tourist Office and Convention Bureau. Free for the disabled, jobseekers and children under 12.
Bookings and tickets on the website.