Another option is to take public transport from Gstaad on post bus route 182, Gstaad - Turbach, as far as the "Bissenegg" stop. Walk the last 100 metres to the cheese grotto.
If coming by car, drive from Gstaad towards the Wasserngrat valley station. At the "Käsegrotte" signpost turn left. Navigation device: Bissenstrasse 83, 3780 Gstaad.
The Fondue Backpack contains all of the ingredients needed for the irresistible outdoor experience: a full set of preparation equipment, either a traditional thick fondue or a particularly flavoursome truffle fondue, as well as crusty fondue bread, spices, fondue pot, warmer, plates and forks.
More information on gstaad.ch: Travel & Public Transport.