Heidenburg is an Ortsgemeinde – a municipality belonging to a Verbandsgemeinde, a kind of collective municipality – in the Bernkastel-Wittlich district in Rhineland-Palatinate, Germany.
The municipality lies in the Hunsrück south of the bow in the Moselle between Leiwen and Trittenheim. Between Heidenburg and the Moselle is the valley of the Kleine Dhron, a deep cut in the landscape. Not far downstream, the Kleine Dhron feeds the Dhron reservoir. An outstanding scenic view is to be had from the heights around Heidenburg: the Moselle valley from Klüsserath through Leiwen and Trittenheim to Neumagen-Dhron; the mountains of the Eifel and the Erbeskopf – the highest elevation in Rhineland-Palatinate – the Dhron reservoir and through the tree cover, Dhrönchen, the writer Stefan Andres’s birthplace. As well as the views into the distance, the municipality offers a wealth of plantlife and wildlife in its meadows and forests.
Heidenburg belongs to the Verbandsgemeinde of Thalfang am Erbeskopf, whose seat is in the municipality of Thalfang.