Hohe Acht

At, the Hohe Acht is the highest mountain in the Eifel mountains of Germany. It is located on the boundary between the districts of Ahrweiler and Mayen-Koblenz in Rhineland-Palatinate.Geography and geologyThe Hohe Acht is located in the High Eifel east of Adenau. The mountain is a tertiary volcano, whose cone is composed of Lower Devonian rock and whose summit is made of basalt.Emperor William TowerIn 1908/09 the Emperor William Tower was erected on the Hohe Acht. The reason for the construction of this stone observation tower, based on plans by the architect, Freiherr von Tettau, Berlin, was the silver wedding of Emperor William II and Empress Augusta Victoria as well as the commemoration of Emperor William IThe tower is 16.30m high and its walls are one metre thick at ground level. The work was carried out by master masons, Karl and Johannes Leidinger, from Adenau using local stone. The cost of construction was 18,000 marks. The tower has been a protected monument since 1987.