Tags: Castle.
Heiligenburg Castle (German: Burg Heiligenburg) is a castle on the mountain of Heiligenberg in the district of Schwalm-Eder-Kreis Hesse Germany.Heilgenberg is a 393 m (1289 ft) high mountain close to the town of Felsberg-Gensungen in North Hesse. The mountain is the remains of an extinct Miocene volcano of which only the basalt that filled the neck of the volcano remains.