Altena, Germany is a charming town nestled in the Sauerland region, known for its well-preserved medieval architecture and picturesque Old Town. The town's distinctive feature is its 12th-century castle, which now houses the German Rope Museum and the Museum of the County of Mark. With a population of 16,315, Altena maintains a quaint, small-town atmosphere, making it an ideal destination for those seeking a tranquil retreat. Its scenic location on the Lenne River and surrounding hills also offers opportunities for outdoor activities like hiking and cycling. Altena's unique blend of history, culture, and natural beauty makes it a hidden gem in western Germany.