Elfas
Encyclopedia
The Elfas is a range of hills up to in the districts of Holzminden an Northeim
Northeim (district)
Northeim is a district in Lower Saxony, Germany. It is bounded by the districts of Holzminden, Hildesheim, Goslar, Osterode and Göttingen, and the state of Hesse .-History:...

 in Lower Saxony
Lower Saxony
Lower Saxony is a German state situated in north-western Germany and is second in area and fourth in population among the sixteen states of Germany...

 (Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

).

Geographical location

The Elfas is located in the middle of the Leine Uplands
Leine Uplands
The Leine Uplands is a region in Germany's Central Uplands which forms a part of the Lower Saxon Hills and lies along the River Leine between Göttingen and Hanover...

 between the Hils
Hils
For HILS, see Hardware-in-the-loop simulation.The Hils is a range of hills in Germany's Central Uplands that is up to high. It is located in the districts of Holzminden, Hildesheim and Northeim, in the state of Lower Saxony.- Geography :...

 to the north, the Homburg Forest
Homburg Forest
The Homburg Forest also known as the Homburg Hills is an area of upland up to in the north German state of Lower Saxony.- Geography :...

 to the west, the Hube
Hube (hills)
The Hube is a ridge, up to , in the Leine Uplands and district of Northeim, in the German state of Lower Saxony.- Geography :The densely wooded Hube lies immediately northeast of the town of Einbeck, with its pretty, timber-framed houses, west of the River Leine and north of the Ilme valley...

 to the east, the Amtsberge
Amtsberge
The Amtsberge are a relatively small ridge, up to , near Dassel in southern Lower Saxony in Germany.- Geography :The densely wooded ridge of the Amtsberge is located on the boundary between the districts of Northeim and Holzminden and also on the boundary between the Leine...

 to the south-southwest and the Holzberg
Holzberg
The Holzberg is a small range of hills up to in south Lower Saxony, Germany.-Geography:The forested ridge of the Holzberg is located in the district of Holzminden at the junction of the Leine Uplands in the east and the Weser Uplands in the west...

 to the southwest. It lies not far southest of Eschershausen
Eschershausen
Eschershausen is a municipality in the district of Holzminden, in Lower Saxony, Germany. It is situated approx. 20 km northeast of Holzminden, and 50 km south of Hanover....

 and east of Stadtoldendorf
Stadtoldendorf
Stadtoldendorf is a town in the middle Holzminden district, Lower Saxony, Germany. Stadtoldendorf is the seat of the Samtgemeinde Eschershausen-Stadtoldendorf.Allocation of seats in the local council electoral period 2006-2011:...

; the town of Einbeck
Einbeck
Einbeck is a town in the district Northeim, in southern Lower Saxony, Germany. It is located on the German Timber-Frame Road.-Economy:Einbeck is famous for its 600 year old beer brewery, home of Einbecker Bier, the origin for the term Bock beer...

 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
Beech
Beech is a genus of ten species of deciduous trees in the family Fagaceae, native to temperate Europe, Asia and North America.-Habit:...

.

Geology

The Elfas is mainly composed of sandstone
Sandstone
Sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains.Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust. Like sand, sandstone may be any colour, but the most common colours are tan, brown, yellow,...

s 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
      Ilme
      The Ilme is a left-bank, western tributary of the River Leine in Lower Saxony, Germany. It is 32.6 km long.- Geography :The river begins at the Neuer Teich pond in the centre of the Solling hills at a height of and flows initially northwards to Dassel, then in an easterly direction through...

      )
    • Hillebach (northern tributary of the Krummes Wasser
      Krummes Wasser
      Krummes Wasser is a river of Lower Saxony, Germany.-See also:*List of rivers of Lower Saxony...

      )
    • Lenne
      Lenne (Weser)
      The Lenne is a right-hand, eastern tributary of the river Weser in the district of Holzminden in the Weser Uplands, Lower Saxony . It is a secondary river.- Course :The River Lenne rises on the northern edge of the Holzberg ridge...

      (passes the Elfas to the west)
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