At , the Achtermannshöhe (also just called the Achtermann) in the

Harz National Park Harz National Park is a nature reserve in the German federal states of Lower Saxony and Saxony-Anhalt. It comprises portions of the western Harz mountain range, extending from Herzberg and Bad Lauterberg at the southern edge to Bad Harzburg and ...

is the third highest

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually highe ...

Lower Saxony Lower Saxony (german: Niedersachsen ; nds, Neddersassen; stq, Läichsaksen) is a German state (') in northwestern Germany. It is the second-largest state by land area, with , and fourth-largest in population (8 million in 2021) among the 16 ...

and the fourth highest in the

Harz mountains The Harz () is a highland area in northern Germany. It has the highest elevations for that region, and its rugged terrain extends across parts of Lower Saxony, Saxony-Anhalt, and Thuringia. The name ''Harz'' derives from the Middle High German ...

. It lies in the

unparished area In England, an unparished area is an area that is not covered by a civil parish (the lowest level of local government, not to be confused with an ecclesiastical parish). Most urbanised districts of England are either entirely or partly unpa ...

Harz The Harz () is a highland area in northern Germany. It has the highest elevations for that region, and its rugged terrain extends across parts of Lower Saxony, Saxony-Anhalt, and Thuringia. The name ''Harz'' derives from the Middle High German ...

between the Harz-Heide route ( B 4) and the old Inner German Border about 6 km north of

Braunlage Braunlage () is a town and health resort in the Goslar district of Lower Saxony in Germany. Situated within the Harz mountain range, south of the Brocken massif, Braunlage's main business is tourism, particularly skiing. Nearby ski resorts inclu ...

. Its summit, covered with loose boulders, stands proud of the surrounding trees and offers a superb all-round view. Equally its characteristic rounded hilltop or ''

Kuppe A ''Kuppe'' is the term used in German-speaking central Europe for a mountain or hill with a rounded summit that has no rock formation, such as a tor, on it. A range of such hills is called a ''Kuppengebirge''. In geology the term also refers to ...

'' is visible in good weather from many other points in the Harz. The Achtermann may be accessed by paths leading from Oderbrück and Königskrug.

Geology

The base of the Achtermannshöhe is part of the

granite Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies under ...

massif of the

Brocken The Brocken, also sometimes referred to as the Blocksberg, is the highest peak in the Harz mountain range and also the highest peak in Northern Germany; it is near Schierke in the German state of Saxony-Anhalt between the rivers Weser and El ...

, which extends across a wide area between Wurmberg,

Torfhaus Torfhaus is a village in the borough of the mining town of Altenau in the Harz mountains of Germany and lies at a height of about . It is the highest settlement in Lower Saxony. This small settlement consists mainly of restaurants, youth hostels, ...

and Elend. By contrast, the rocky, treeless ''Kuppe'' of the Achtermann comprises

hornfels Hornfels is the group name for a set of contact metamorphic rocks that have been baked and hardened by the heat of intrusive igneous masses and have been rendered massive, hard, splintery, and in some cases exceedingly tough and durable. These pro ...

, a

contact metamorphic Metamorphism is the transformation of existing rock (the protolith) to rock with a different mineral composition or texture. Metamorphism takes place at temperatures in excess of , and often also at elevated pressure or in the presence of che ...

rock. The hornstone on the summit has a depth of about 10 m and was formed from Grauwacke as it was heated during the intrusion of granitic

magma Magma () is the molten or semi-molten natural material from which all igneous rocks are formed. Magma is found beneath the surface of the Earth, and evidence of magmatism has also been discovered on other terrestrial planets and some natural sa ...

History

Earlier names include ''Uchteneshoge'' and ''Uchtenhoch''.

Hiking

The Achtermannshöhe is checkpoint no. 12 in the network of ‘stamp’ checkpoints on the Harz Wandernadel route.

References

{{DEFAULTSORT:Achtermannshohe Mountains of Lower Saxony Mountains of the Harz Braunlage Mountains under 1000 metres

Geology

History

Hiking

See also

References