The Roßkopf tower (actually Friedrichsturm or Frederick's tower after Frederick I, Grand Duke of Baden) is a 34.4 m (113 ft) high observation tower of steel frame structure commissioned and financed by the Schwarzwaldverein (Black Forest Club) and built by the Freiburg architect Philipp Anton Lazy in 1889 on the 737 m (2,418 ft) high Roßkopf near Freiburg between the Dreisam valley and the Glotter valley.