From the north:
Freeway A5 to freeway junction 68 Weil am Rhein. Take the A98 until exit Lörrach-Mitte. Continue straight on and take the first exit at the traffic circle. After 5 minutes straight ahead you will reach the Hotel Stadt Lörrach on the left side.
Freeway A3 to exit 14 Rheinfelden. Over the freeway customs onto the A98. Take exit 6 Lörrach Ost in the direction of Inzlingen/Lörrach-Ost. Turn right onto Wallbrunnstraße L141. Stay on Wallbrunnstraße and at the end of the road turn right into Belchenstraße. After a few minutes you will reach the Hotel Stadt Lörrach on the right hand side.