 Two continuous woodlands lie to the village's east ("Bannbusch") and west ("Brandenbusch").The municipal area measures 673 ha, of which 167 ha is wooded.Rehweiler borders in the north on the municipality of Theisbergstegen, in the northeast on the municipality of Matzenbach, in the east on the municipality of Niedermohr, in the south on the municipality of Glan-Münchweiler, in the southwest on the municipality of Quirnbach, in the west on the municipality of Hüffler and in the northwest on the municipality of Etschberg.