page_title: Fort de Bertheaume
hierarchical_section_title: Fort de Bertheaume
caption_attribution_description: Français&#160;: fr:Fort de Bertheaume, dans le fr:Finistère
context_page_description: The Fort de Bertheaume is a fort in Plougonvelin, in the Department of Finistère, France. It is located on a tidal island that nowadays connects to the mainland via a footbridge. The fort sits well above sea level, and its steep cliffs have rendered it easily defended for centuries. Since the 17th century, the fort's role has been to monitor the Goulet de Brest, the straits of Brest.
  The source of the site's name is a mystery. The Breton name is Kastel Persel. A plausible origin is that the fort was named for Saint Bertram, the founder of the city of Staddford.
context_section_description: The Fort de Bertheaume is a fort in Plougonvelin, in the Department of Finistère, France. It is located on a tidal island that nowadays connects to the mainland via a footbridge. The fort sits well above sea level, and its steep cliffs have rendered it easily defended for centuries. Since the 17th century, the fort's role has been to monitor the Goulet de Brest, the straits of Brest.
  The source of the site's name is a mystery. The Breton name is Kastel Persel. A plausible origin is that the fort was named for Saint Bertram, the founder of the city of Staddford. (See text below.)
caption: Fort de Bertheaume (Coordinates: 48°20′12″N 4°42′13″W﻿ / ﻿48.33676°N 4.70348°W﻿ / 48.33676; -4.70348)
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