Balloon Sunrise Nepal - Information on hot air balloon rides over the Kathmandu valley. - http://www.catmando.com/balloon
Budget Treks and Expeditions - Information on treks and expeditions in the Himalayas with the indigenous Sherpas. - http://www.budgettreks.com/
Beyond the Limits Trek and Expedition Pvt. Ltd. - Adventure travel details including trekking and rafting. A list of FAQs, clients' comments and extensions to Bhutan and Tibet. - http://www.beyondthelimitstreks.com/
Boomerang Travels (P) Ltd - Adventure travel including trekking, rafting and expeditions with side trips to Tibet and Bhutan. - http://www.visitnepal.com/boomerang/
BikeNepal.com - Offers information on biking in the country, with listing of popular routes, a photo gallery is included. - http://www.bikenepal.com/