Traben-Trarbach lies some 40 km northeast of Trier and some 60 km southwest of Koblenz in the valley of the Middle Moselle. North of the town is found the mountain inside a bend in the Moselle, Mont Royal. Frankfurt-Hahn Airport in the Hunsrück lies some 10 km away towards the east (in each case, as the crow flies). The municipal area spreads over a total of 31,350,000 m² with a great share of this being wooded. This makes Traben-Trarbach the biggest town by land area on the Middle Moselle.Traben lies on the Moselle’s left bank at the foot of the former fort of Mont Royal, and Trarbach lies on the right bank on the Hunsrück side. While Traben stretches in a broad strip along the river, Trarbach instead stretches inland between rather steep mountains, particularly up the Kautenbach valley.