Unique Path Trekking - Organized treks and tours in the Himalayas. Information on altitude sickness, environmental concerns and other useful travel information. - http://www.nepaltrekkinginfo.com/
Ultimate Descents - Offers guided rafting on the Kali Gandaki, Karnali, Marshyangdi and other rivers. Contains information on the company, services offered and trip schedules. - http://www.udnepal.com/
Unique Adventure International Pvt. Ltd. - Adventure and treeking tours in the Himalayan region with information of company and the destinations that they serve. - http://www.uniquetreks.com/