In Thailand's north east, the Mighty Mekong River forms a border between the country's least developed and most unspoiled region, Isaan, and the exotic landlocked country of Laos.

Northern Laos especially presents many great trekking opportunities. Not only is the terrain very mountainous and largely swathed in forest, it is also home to a dazzling array of highly colourful minority tribal people who still pursue the traditional slash and burn (swidden) farming methods, unchanged for a thousand years.

Trek through mountains and lush rainforests, encounter hilltribe minority villages, ride and elephant, try rock climbing on towering karst limestone cliffs, kayak or go white water rafting down pristine rivers, and explore the stunning ancient city of Luang Prabang, now a World Heritage site.

The Mekong Sun is the first river cruise boat designed to operate on the unpredictable waters of the upper Mekong between Chiang Saen in northern Thailand in the heart of the Golden Triangle, to the royal city of Luang Prabang and the Laotian capital, Vientiane.