car:
coming from Saarbrücken on the A620 urban motorway (direction Mannheim), take the St. Arnual exit. At the roundabout, take the second exit (direction Ostspange). After approx. 800 m, turn right onto Mainzer-Straße. After another km, turn right again, and follow the signposts indicating Halberg/Saarländischer Rundfunk. Leave your car on the visitor´s parking lot (approx. 150 m from the gated entrance of the Saarländischer Rundfunk). Follow the footpath and the signs - which are oftentimes concealed - indicating Mithrasgrotte. You should reach the cave in approx. 10 minutes
train:
the closest train station is Saarbrücken-Ost