• exit the autobahn at Holdorf (exit 66)
• towards Damme
• in Damme turn right at the second traffic lights on to the "Westring"
• Straight on at the second traffic lights  on towards the "Suedring"
• Follow this road until you hit the "Hunteburger Strasse"
• Turn left towards Steinfeld
• turn left after approx. 200 m into the Grimme car park

• exit the autobahn at Neuenkirchen/Voerden (exit 67)
• towards Damme
• turn right at the first traffic lights on to the "Suedring"  (gas station ahead)
• Follow this road until you hit the "Hunteburger Strasse"
• Turn left towards Steinfeld
• turn left after approx. 200 m into the Grimme car park

For a more exact description of the route to Grimme.