Teufelsloch

Teufelsloch may refer to:


 * Teufelsloch (Teufelsbäder), a sinkhole with a karst spring in the Harz Mountains of Germany near Osterode am Harz, Lower Saxony
 * Teufelsloch (doline), a doline in the southern Black Forest in Germany near Rheinfelden, Baden-Württemberg.
 * Teufelsloch (ravine), a ravine in the Swabian Jura near Bad Boll, Baden-Württemberg
 * Teufelsloch (Lattengebirge), the natural rock arch in the Lattengebirge near Berchtesgaden, Bavaria
 * The Teufelshöhle (Pottenstein), near Pottenstein, Bavaria, Germany
 * The Teufelshöhle (Steinau), near Steinau, Hesse, Germany
 * Průrva Ploučnice, the artificial, underground river course in Bohemia, Czech Republic
 * Devil's Hole, the underground water reservoir in Nevada, USA