Any vaccinations or other meds like anti-malaria tablets (see step #6)
A visa or visas (if visiting Bhutan this would actually be a major expense)
Service tips (check if this is expected for your type of adventure trip)
An international adapter and power bank (see step #17)
Any vaccinations or other meds like anti-malaria tablets (see step #6)
Souvenirs and gifts (more on this below)