Berchtesgaden Alps Berchtesgaden, known for the former Berghof residence of Adolf Hitler. The picturesque heart is formed by the glacial Königssee lake with the famous St. Bartholomew's pilgrimage church and the smaller Obersee, both part of the Berchtesgaden National Park established in 1978. The range also comprises glaciers like the Blaueis as well as the Steinernes Meer high karst plateau. The most important summits of the Berchtesgaden Alps are (groups in order of height): The Berchtesgaden Alps border on the following other mountain groups of the Alps: The "Berchtesgaden Alps" are included under this name in the generally accepted Alpine Club classification
Fortified Sector of the Sarre or Second Position, to the rear of the four western sub-sectors. A number of blockhouses were built under the auspices of the "Service Technique du Génie" (STG), but the line was incomplete in 1940, with long gaps between blockhouses. The "Région Fortifiée de la Sarre" ("Fortified Region of the Sarre") was briefly created, encompassing the SF Sarre and the neighboring Fortified Sector of Rohrbach. The region existed for two months, in September and October 1939. Several transfers took place of sub-sectors to and from the neighboring SF Rohrbach and SF Faulquemont. In particular, Ouvrage Haut-Poirier was attached to Rohrbach at