The castle ruin Dreienburg (popularly called Alter Keller) is the ruin of a spur castle in the southeastern part of the Dreienberg in the district of the Hessian community Friedewald in the district of Hersfeld-Rotenburg.
The Hornungskuppe (in the Middle Ages also Hornsberg) is a 439.0 m high forested elevation and is located on the “Thuringian Point” directly on the Monte Kali slag heap. Naturally, …