A military bunker located near Saint-Rémy-de-Provence, France, identified by the designation 'OB 2cm Flak'. The name suggests it was originally constructed as a 2 cm anti-aircraft (Flak) defense position, likely during World War II, when such emplacements were commonly deployed across southern France to protect strategic infrastructure and troop movements from Allied air raids. The region, part of the broader Mediterranean coast, saw significant German fortification activity following the 1942 occupation of Vichy France, particularly along transport corridors and near airfields.
The bunker's designation aligns with standardized German military construction practices of the era, where 'OB' typically stood for 'Ortsbefestigung' (local defense works), and '2cm Flak' refers to the standard 20 mm anti-aircraft cannon used in mobile and fixed positions. These lightweight but rapid-firing guns were often mounted in concrete casemates or open emplacements to defend against low-altitude aircraft. While no specific records confirm the exact build date or armament configuration of this site, its nomenclature and location are consistent with other documented Flak bunkers in Provence.
Today, the structure remains largely intact as a relic of wartime fortifications, attracting urban explorers and military history enthusiasts. Its concrete walls and possible gun platform base reflect typical regional defensive architecture, though it shows signs of weathering and vegetation encroachment. No evidence links this site to France's nuclear program or Cold War-era installations; its function appears strictly tied to WWII air defense. As such, it stands as a tangible example of the extensive coastal and inland fortification networks built during the German occupation of France.