Visitors from Switzerland
Hiking or deep sports shoes — waterproof shoes are nice to have
Good mood
Visitors from foreign countries
Passport
International driving license
Foreign health travel insurance
Master, Visa, American Express... payment card in your analog or digital wallet
Swiss Franks CHF in cash are not required and there are no official exchange offices to change from EUR, only way is to do it with ATM with Swiss Bank Exchange Rate
Hiking or deep sports shoes - waterproof shoes are nice to have
SBB Account:
SBB App installed on phone device
Willingness to travel more with a Train ;)