Final Location is Grillplatz Jacobipark Niedernhausen - Königshofen, a bit out of town:
Map: https://goo.gl/maps/5LDBoed9Kud7a4wP9
Meeting point for the drivers and train riders is:
Niederhausen S - Bahn Station
Endstation of S-Bahn line S2
Map: https://goo.gl/maps/
From the meeting point we drive together to the starting point which is "Jacobi Hütte", three km away from the meeting point .
Final Position for all late ones...
ONON