from Bad Homburger Kreuz take A661 direction Bad Homburg, get off first exit towards Bad Homburg, than first exit right again. Turn left on the traffic light (Zeppelinstraße) up to Landratsamt. Behind the crossing, take next left into the „fields“ to Brauhaus Graf Zeppelin“.

There are several connections to the run. S-Bahn S5 might be the best.

Check out your needs at or use he timetable above: 

www.rmv.de

From Bad Homburg train station it's a little walk up the hill.

(Walkers map from station: https://goo.gl/maps/nmo21)