A military bunker structure located at the provided coordinates in southwestern France. The designation 'Gi 26' suggests a possible German 'Gruppenunterstand' (group shelter) from the Second World War, a common type within the Atlantic Wall coastal fortifications. The site is situated in a rural, forested area near the Atlantic coastline, a region that saw significant defensive construction during the war.
No specific historical details, construction date, or current condition for this exact position are confirmed by the available search results. The structure's present state and accessibility are unknown without on-site verification.