Motorway A4:
Take the exit Charenton centre, you will arrive at Quai de Bercy 

From Paris, Quai de Bercy :
Turn to the right at the first set of lights. From Place de l'Europe, turn right and take the avenue du Général de Gaulle.

From the East, Quai de Bercy:
take the third on the right after the bridges N. Mandela (rue du Nouveau Bercy)

At the port de Bercy, choose the direction:
Charenton, Bercy 2