Trains and car-share

The venue isn't very close to the train station, so car hire is the best way forward.

Why not travel together? You could ask for a lift, or offer a seat in your car to another guest. Or maybe, a bunch of you could group together to hire a mini-bus from the airport.
Contact each other here:

https://docs.google.com/document/d/13fIN2ZMMm8u40-6LDbzwjDe1p1SN_OTBJqmnQfuxKNg/edit?usp=sharing

Travel by train: https://www.sbb.ch/en 
Use the same document above to ask for a lift from the station, or call a taxi: https://www.taxiproxi.ch/commander-taxis-reserver.php