From the south:

Leave the motorway A2 at the turn-off Porta Westfalica (33) on B 482 in direction Minden, later in direction Nienburg. Turn left (traffic lights) at the first turn-off Doehren. Please follow the signs from here.

From the north:

Leave the motorway A2 at the turn-off Wunstorf/Luthe (40) follow the B441 to Loccum. Once you're in Loccum turn left towards Minden. After the village Seelenfeld you cross the B 482 into the village Doehren. Please follow the signs from here.