Lonely Planet - Bhutan - Comprehensive facts and advice for traveling along with background material on the culture and history of the country. Travel Document Systems: Bhutan - Entry and visa requirements for U.S. citizens, information about the people and history, travel tips and advisories, and links. Bootan.com - Contains general information, visa information, maps, air schedules, weather, currency and tour itineraries. Bhutan Travel Information - Includes general country information, travel tips, visa procedures, and articles. Also includes a list of licensed Bhutanese tour operators. Bhuatan Footprints Travel - Trekking and cultural tours. Includes local information, costs, and online booking form. U.S. Department of State - Bhutan Consular Information Sheet - Offers travel information including Background Notes, entry and exit requirements, safety and security, crime, health and transport.