Coming from the A7 Ulm - Füssen
At the Memmingen motorway junction, take the A96 towards Lindau until the Leutkirch exit and drive past the following towns: Isny, Dorenwaid, Brugg, until you get to Auers. Take the third exit on the roundabout at Auers in the direction of Oberstaufen and continue to follow the B308 (ignore the diversion signs) until you reach the Willis district just before Oberstaufen.
Coming from the B19 Kempten
Follow the B19 and take the exit Immenstadt Nord/ Balderschwang . Leave the roundabout at the second exit in the direction of Immenstadt and follow the road through Immenstadt. At the third roundabout , ignore the diversion signs and do not exit in the direction of Missen/Isny, but take the third exit towards Oberstaufen . At the next roundabout take the first exit and follow this road to the Hündle roundabout . Take the first exit here and after passing through Wengen turn left again (ignoring the diversion signs) and head towards Oberstaufen . Drive over the level crossing and follow the road to the construction site. You can drive past this at the traffic lights and follow the B308 towards Lindau as usual until the Willis - Resort Bergkristall turn-off.