Îlot du Diable is a

gun battery In military organizations, an artillery battery is a unit or multiple systems of artillery, mortar systems, rocket artillery, multiple rocket launchers, surface-to-surface missiles, ballistic missiles, cruise missiles, etc., so grouped to faci ...

built to support fort de la Fraternité in the defensive system around the

goulet de Brest The Goulet de Brest is a 3-km-long strait linking the roadstead of Brest to the Atlantic Ocean. Only 1.8 km wide, the is situated between the Pointe du Petit Minou and the Pointe du Portzic to the north and the îlot des Capucins and the P ...

in France. It is sited on the peninsula of

Roscanvel Roscanvel (; br, Roskañvel) is a commune in the Finistère department of Brittany in north-western France. Population Inhabitants of Roscanvel are called in French ''Roscanvelistes''. See also *Quélern *Communes of the Finistère department ...

and is accessible by a small bridge. The battery was razed in the 19th century, and in 1890 on its site was built a bunker with an electricity generator. A casemate was then added by the

Germans , native_name_lang = de , region1 = , pop1 = 72,650,269 , region2 = , pop2 = 534,000 , region3 = , pop3 = 157,000 3,322,405 , region4 = , pop4 = ...

in 1942. A small observation is still to be found at the summit of the site, near a former

lime kiln A lime kiln is a kiln used for the calcination of limestone (calcium carbonate) to produce the form of lime (material), lime called quicklime (calcium oxide). The chemical equation for this chemical reaction, reaction is :Calcium carbonate, Ca ...

Notes

External links

Position de l'îlot du Diable
(general inventory)
Îlot du Diable
(several photos) {{DEFAULTSORT:Ilot Du Diable Fortifications of Brest, France