The observation tower was erected in memory of the fallen of the First World War in the years 1928-1930 on the site of the former Müller farm (360 m above sea level). The complex was designed by architect Heinrich Verfuß from Neheim-Hüsten and is made of solid, exposed quarrystone masonry with a semi-circular porch and two viewing platforms, and
the memorial plaques for those who fell in the First World War and the Second World War are set into the quarrystone walls surrounding the complex. There are also two fire bowls on the perimeter walls at the entrance. From 1943 to 1945, the lookout tower served as an anti-aircraft station to protect the Sorpesta dam.
In 1997, the tower was entered in the list of monuments of the town of Sundern and was thoroughly renovated between 2001 and 2003, and
since 2003 the tower has been open to the public at weekends. During the week, the key can be borrowed from the Haus des Gastes (Hakenbrinkweg 19) for a deposit of 20 euros. Climbing the tower itself is free of charge and at your own risk.
23 steps lead to the second floor of the observation tower. After a further 22 steps, you reach the first viewing platform. There is a telescope here, which you can use free of charge. A steel spiral staircase with 33 steps leads to the top platform. The climb is well worth it, as the view of Lake Sorpe and the surrounding area is simply magnificent.
During Advent, the largest and tallest Advent wreath shines on the memorial. The Advent concerts on every Saturday in Advent and on Christmas Eve are particularly popular.