The RV River Kwai, the first inland cruise ship in Thailand, is a newly built colonial style river cruiser based on designs used by the original Irrawaddy Flotilla which was founded in Burma in 1865 and by the 1920s was the largest privately owned fleet of ships in the world.

With offices in all strategic inbound tourism centers throughout South East Asia, the Asian Trails uniform can these days be seen in most countries in the region, from Thimphu, in the Kingdom of Bhutan to the Lesser Sunda Islands in the Indonesian Republic. The Asian Trails vision was first conceived in 1999 by Luzi Matzig (Lersan Misitsakul) who had formerly been with Diethelm Travel Thailand for 29 years and who, together with senior partners Laurent Kuenzle, Jacques Guichandut and Roger Haumueller founded the company in mid 1999.