Falkenstein Castle
Castle ruin · Bad Emstal
Fortress
The Altenburg is a hill in the county of Schwalm-Eder-Kreis, Hesse, Germany.
On its flat hilltop are the remains of a fairly large, fortified settlement from the Bronze Age and Iron Age.
51°14′52″N 9°17′26″E / 51.24778°N 9.29056°E / 51.24778; 9.29056