Established in 1989, Lassen Tour & Travel Inc. is a full-service travel agency acting as a wholesale and retail tour operator. Based in San Francisco, Calif., the agency provides package tours catering to clients from around the world. Based in San Francisco, Calif., Lassen Tour & Travel Inc. designs and operates the United States domestic itineraries. It offers a large variety of tour packages throughout the Western United States and around the globe for its guests. The agency offers Lassen tour guide programs, which includes cultures, history, religions, landscapes and architectural style. Its services include cruise lines, hotel reservation, shuttle service and inbound travel. It conducts tours to various places, such as Los Angeles, Yellowstone, New York, Hawaii, Florida, Mexico, Canada and countries include China, Thailand, Japan, Taiwan and South East Asia.