High Mountain Wave Trekking Pvt. Ltd. Gov. Regd. No. 5933 P.O.Box: 10115 Tel: +977-1 4700870, 4700770 Fax: +977-1 4700769 E-mail: info@highmountaintrek.com Thamel, Kathmandu, Nepal. URl: http://www.highmountaintrek.com