Mountain temperatures progressively lower towards the north ranging from 16 degrees Celsius to several degrees below freezing point. A visit to Nepal is possible all the year round. But a trip to higher altitude will require special clothing depending on the places visited. A checklist is available on request. In Nepal tap water is not recommended for drinking.
Mineral water is available in most of the places.
Elsewhere, it is advisable to use water sterilization tablets or stick to tea and bottled soft drinks. The capital Kathmandu is linked by air with direct flights from London, Paris, Frankfurt, Vienna, Amsterdam, Shanghai, Osaka, Hong Kong, Bangkok, Singapore, Bombay, Calcutta, Varanasi, New Delhi, Banglore, Moscow, Lhasa, Frankfurt, Paris, London, Paro, Dubai, Dhaka, Karachi and Doha. If you are carrying dutiable articles, you have to pass through the Red Channel. The export of metal statues, sacred paintings and similar objects has to be certified by The Department of Archaeology. A valid passport is required for all the nationals except Indian.