Parking of Rewe market in Wiesbaden - Erbenheim.
It is the smaller Rewe around the ramp of the motorway.
Map: https://goo.gl/maps/jC6vCBdvw863cTSJ6
Public Transport: Take a train from Frankfurt station via Wiesbaden train station to Wiesbaden Erbenheim and a little walk to the start.
Use www.rmv.de to find your best personal connections.
Car: navi! navi! navi!