Established in 1992, Sierra International is a Kathmandu based travel and tour Consultant and Operator. A subsidiary of SOS Group, Sierra International has over 15 years experience in high volume international ticketing operation and tours.

The company is diversifying its portfolio to exclusive tours and adventure holidays. Sierra International offers exclusive golf holiday experience in the Himalayas allowing golf enthusiasts to enjoy the game in one of world's most pristine natural setting.

The corporate management of Sierra International is directly under the supervision of Mr. Subash Gautam, Executive Director (MBA and Diploma in Airline and Travel Management from Alitalia, Philippines).    

Sierra International is an active member of Nepal Association of Tour and Travel Agent (NATTA) and an overseas allied member of Japan Association of Travel Agents (JATA).