Rötsweiler-Nockenthal is a double municipality – it has two centres – and it lies on the southwest slope of the Hunsrück.

The municipality lies roughly halfway between Saarbrücken and Bad Kreuznach.

By this time, the administrative merger of the two villages of Nockenthal and Rötsweiler had taken place.

[1] The municipality’s arms might be described thus: Vert a bend sinister wavy of one between the letters R and N, all Or, the chief countercompony gules and argent.

The following are listed buildings or sites in Rhineland-Palatinate’s Directory of Cultural Monuments:[4] Running through the municipality is Bundesstraße 41, which towards the south leads to the Autobahn A 62 (Kaiserslautern–Trier).