Meeting at Glühweinhütte Kaiser,
north side of Eiserner Steg at Mainkai,
approx. Mainkai 40, 60311 Frankfurt am Main
Map: https://maps.app.goo.gl/FGvDjrZ9MdE1DWQi8
Closest train station Dom/Römer (U-Bahn) or Hauptwache (S- or U-Bahn)
Possible parking options:
noth side: Parkhaus Hauptwache, Kornmarkt, Frankfurt am Main
south side, Parkhaus Walter-Kolb-Straße, Frankfurt - Sachsenhausen