Elfas

The Elfas is a range of hills up to 409.6 m above sea level (NN) in the districts of Holzminden an Northeim in Lower Saxony (Germany).

Geographical location

The Elfas is located in the middle of the Leine Uplands between the Hils to the north, the Homburg Forest to the west, the Hube to the east, the Amtsberge to the south-southwest and the Holzberg to the southwest. It lies not far southwest of Eschershausen and east of Stadtoldendorf; the town of Einbeck is about 12 km southeast of the Elfas. The B 64 federal highway runs past the Elfas to the north linking Eschershausen with Einbeck.

The rounded summits of the Elfas are covered by acidic soil beech forests.

Geology

The Elfas is mainly composed of sandstones from the Bunter sandstone period. Geologists in the Weser Uplands also use the terms Elfas Axis (Elfas-Achse) or Elfas Fault (Elfas-Überschiebung) for the regional fault line, as well as the term Elfas Saddle.

Hills

The hills in the Elfas include (heights in metres above NN):

Helleberg (409.6 m) Ahrensberg (405 m) Kneppelberg (386.0 m) Birkenberg (366.4 m) Vorwohler Berg (360.2 m) Moosberg (344.7 m)

Eichholzberg (341.5 m) Döhrenberg (307.1 m) Eimer Berg (ca. 300 m) Kurzeberg (299.0 m) Böhneberg (290.0 m) Heisennacken (267.0 m)

Streams

The streams of the Elfas include:

• Allerbach (eastern tributary of the Bewer)
• Bewer (northern tributary of the Ilme)
• Hillebach (northern tributary of the Krummes Wasser)
• Lenne (passes the Elfas to the west)