The Ludwigsturm is a 15 meter high observation tower made of sandstone on the southern flank of the summit plateau of the Blättersberg in the Haardt, the eastern edge of the Palatinate Forest at an altitude of 604.9 m above sea level. NHN . It is located in the immediate vicinity of the Rietburg in the district of Rhodt under Rietburg and was built in 1889 by the beautification club Edenkoben. It was named after the Bavarian King Ludwig I. He is classified as a cultural monument.