Altena
Altena is a town in the Märkischer Kreis district, in North Rhine-Westphalia, Germany. It lies in the Sauerland region along the Lenne river and is part of the Ruhr–Sieg area. The town centers on the hilltop Burg Altena, a medieval fortress that dates from the 12th century and stands above the town on rocky outcrops.
The main landmark is Altena Castle (Burg Altena), which has played a central role in the town’s
Historically, Altena developed around the fortress and related trade and services. In the modern era it is
Culturally and touristically, Altena emphasizes its castle, the surrounding river landscapes, and the natural scenery of